OpenTechnical

OT-2026-000057305

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057305) never changes.

Identity and time

Publication numberOT-2026-000057305 · never reused
Internal UUID01a0ae87-d5bc-7f0c-8ffd-86a0b7b35742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057305
StatusPUBLIC

Content hashes

Canonical text461af41ece7936b2e00c480706653eaa8ac903ce44a5cbdbab6528bc888a15fd
Markdownfbf2c1f2da9e66895d4ddf23278f77ed72bc242691d108119d572c93e8351ff5
PDF
Publication page36409561dca7b6f099a7a8619e17036e367743e03d17de7d6edb58d61ddc1dd0
Manifestc0c67a75fc5a9d137a5aa76793383114ddebed443aff2421b32da94d74ae2c61

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureovTxGfl5+Pj4H2Mr6DfrL1cpueZaEoO2ERRjXz/q7JER6CAg+FYF9cOT05aPPu6sFAwte3SBOkIv5wbnZVN8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:24.715917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305
observed 36409561dca7b6f099a7a8619e17036e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.696538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/manifest.json
observed c0c67a75fc5a9d137a5aa76793383114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.677157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/publication.md
observed fbf2c1f2da9e66895d4ddf23278f77ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.657107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/publication.txt
observed 461af41ece7936b2e00c480706653eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.986626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305
observed 36409561dca7b6f099a7a8619e17036e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.966515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/manifest.json
observed c0c67a75fc5a9d137a5aa76793383114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.945873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/publication.md
observed fbf2c1f2da9e66895d4ddf23278f77ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.927148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057305/publication.txt
observed 461af41ece7936b2e00c480706653eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.