OpenTechnical

OT-2026-000053402

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000053402) never changes.

Identity and time

Publication numberOT-2026-000053402 · never reused
Internal UUID01a0ae85-0a8f-7cfd-996b-be48fe09d623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053402
StatusPUBLIC

Content hashes

Canonical text93ccdbdd7912dab4e499e7e6120da919dd7225be9b4ccf18c8b73f796d728ed1
Markdownbfac68ec14b66e8901398a1db614df4fea3850f947c8a1a7cdfbe74f5515a823
PDF
Publication page685b266977539fd5eb2f20469ff7606dab4b65b18654384cf3c05ac33f3e6bc0
Manifestee1aca51580f454eaa838511be2d9230bdcbd16d28620eaf81338d58cb7fc401

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
SignaturenmIq7cRmyhJWJ0n6KsFxndidh0XqEgmlzztUaGfZFIyumq9oiRHbNFH6RC6OL0ZXyiS9mfV9GHJ+sbDdYKogAQ==
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

2026-09-17T10:55:07.761319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053402
observed 685b266977539fd5eb2f20469ff7606d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.741160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053402/manifest.json
observed ee1aca51580f454eaa838511be2d9230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.724931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053402/publication.md
observed bfac68ec14b66e8901398a1db614df4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.707350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053402/publication.txt
observed 93ccdbdd7912dab4e499e7e6120da919...
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.