OpenTechnical

OT-2026-000052430

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000052430) never changes.

Identity and time

Publication numberOT-2026-000052430 · never reused
Internal UUID01a0ae84-5739-7521-a8d6-499717a2729b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052430
StatusPUBLIC

Content hashes

Canonical text0f287805dabda0fad69d0cecb849934db2706c2f14c0773adb62478baee54765
Markdown61299f6d73522f6b48ee9900886c5311d9ee8b1fcef51477714ddcfceb8879e2
PDF
Publication page9af94f51d35544a5a18aab6410e728706a9f5f8ef2f68be2c6c1dbb92144e808
Manifest1dc6611225c1e5b8734f96395f8d9689529e6842bb2b5b0b8b981b6f84b07cff

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
SignaturexxoDIj1ctD2FqNDk1JINWZ66Z+b6P7W/whX7gc4ni5kkQ2vjNNgBrm5T1F+FXBny141QwgVEwe4e8PfqTpsHCA==
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

2026-09-17T10:57:02.879604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052430
observed 9af94f51d35544a5a18aab6410e72870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.862564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052430/manifest.json
observed 1dc6611225c1e5b8734f96395f8d9689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.844076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052430/publication.md
observed 61299f6d73522f6b48ee9900886c5311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:02.825318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052430/publication.txt
observed 0f287805dabda0fad69d0cecb849934d...
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.