OpenTechnical

OT-2026-000080123

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000080123) never changes.

Identity and time

Publication numberOT-2026-000080123 · never reused
Internal UUID01a0ae96-4378-7128-9917-449007979d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080123
StatusPUBLIC

Content hashes

Canonical text8ad93295e73ad75d73c167fb1e67b520742209ea5be72a7f64763606555580f8
Markdownb6a87c988f2572f6c2b39e3da6c8b55b4e8ff71b3f0e38f98acf0acb01c455eb
PDF
Publication page2e0e172ef26a5e6e11935a74f1d4039e59157744c8d97e21ee974dea9b2ac1de
Manifestba0cc5bd75f37c604b46e6cf0a13197f3dd8e34efa74ab96eba375449a5f9740

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
SignatureiceEnBJFe/wnjFeDTcfkKJlrLKmKoaubfOUxPy5wpnVhnuFBQgJ6d8GpGwQMUZsx4bzxrk7ltIS7ftgkTKDzDw==
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

2026-09-17T10:04:04.175579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080123
observed 2e0e172ef26a5e6e11935a74f1d4039e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.154163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080123/manifest.json
observed ba0cc5bd75f37c604b46e6cf0a13197f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.136711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080123/publication.md
observed b6a87c988f2572f6c2b39e3da6c8b55b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.113966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080123/publication.txt
observed 8ad93295e73ad75d73c167fb1e67b520...
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.