OpenTechnical

OT-2026-000055309

Publication integrity record

Six cup vacuum gripper, six 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-2026-000055309) never changes.

Identity and time

Publication numberOT-2026-000055309 · never reused
Internal UUID01a0ae86-a100-758c-a255-107040a703da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055309
StatusPUBLIC

Content hashes

Canonical text48a5f971be1ed9a16df3299f1027a5408d110cdd460eba32dacc09562d5471e3
Markdown901d96b99bf1732dc2e4576c3eb838628807b2b405b6487d0fc751535ae80b93
PDF
Publication pageafc3c2de11a7d7874085386f688d2082cd465fbb0cd59215d18e60e727f9e590
Manifest69e71d02623ab06360f5ed52a13c7384bb3d8ecb8661703992d404c6763bdef7

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
SignatureNXL1sZdwyj4LFdFlP/Z4R/nby3n0TPahgAYO+7ERwQvdqMjiH7Cal3wh/+3yeRRUlxy742mtOn5c+PHNjPEADQ==
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

2026-09-17T10:51:55.420607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055309
observed afc3c2de11a7d7874085386f688d2082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.401411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055309/manifest.json
observed 69e71d02623ab06360f5ed52a13c7384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.381900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055309/publication.md
observed 901d96b99bf1732dc2e4576c3eb83862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.361580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055309/publication.txt
observed 48a5f971be1ed9a16df3299f1027a540...
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.