OpenTechnical

OT-2026-000079492

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000079492) never changes.

Identity and time

Publication numberOT-2026-000079492 · never reused
Internal UUID01a0ae96-0b91-7ea3-be3b-fdf690b3de8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079492
StatusPUBLIC

Content hashes

Canonical text91ef71abe234c46f9e3f5d9fbe7ed28a34e923744e49aed179ff098578154f1e
Markdownfcf02accbf444f4d50947fced7a5cea8035362363114e734973bd20d1cf161aa
PDF
Publication page91a36e3f8ec4189059c2f8803bd141b91defab38a335da4bac04d17016820e6f
Manifest351a83ab86d39ede4820700db3d6a12a761ec79d304644f88d528c88347898c6

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
SignaturefHsiEZ7kCBdeFgxu/pMD4zmbwjs+XPw+6GVRbKhTPsL0tLTNdSurEqsbN60uZwuAdVcS0TnVzdmSRuek0kKZCQ==
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

2026-09-17T10:05:06.955691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079492
observed 91a36e3f8ec4189059c2f8803bd141b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.936048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079492/manifest.json
observed 351a83ab86d39ede4820700db3d6a12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.917292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079492/publication.md
observed fcf02accbf444f4d50947fced7a5cea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.899981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079492/publication.txt
observed 91ef71abe234c46f9e3f5d9fbe7ed28a...
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.