OpenTechnical

OT-2026-000069854

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000069854) never changes.

Identity and time

Publication numberOT-2026-000069854 · never reused
Internal UUID01a0ae91-1860-7cc7-ada3-39efb6735b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069854
StatusPUBLIC

Content hashes

Canonical textd1d85207d8396bebc71c01f6dc93c855854920d67d4f3e5db3943a84582ba569
Markdownc648dfd8b757c91b0a73a73d50786f9b16aa2df9fe6ce736e685e8a39d2229b3
PDF
Publication page0b79a27507ea8c62697fdfc925b69fb9a5bfca96852b812431d85994bcd6750f
Manifest7cbe481b6a985a9d1f8f6c14d1c3555356c2acdf7b616fe85a2919956a64b0e0

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
SignatureS4Tn8mtNlxuN1iUpmVOAf7I1aBRJr8uKVVXstLhuh7pZE9jute5Ec/XaLLtgpgOUMQsrro84l+4SqTzHrpL2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:41.081164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069854
observed 0b79a27507ea8c62697fdfc925b69fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.064101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069854/manifest.json
observed 7cbe481b6a985a9d1f8f6c14d1c35553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.046942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069854/publication.md
observed c648dfd8b757c91b0a73a73d50786f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.027866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069854/publication.txt
observed d1d85207d8396bebc71c01f6dc93c855...
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.