OpenTechnical

OT-2026-000079724

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000079724) never changes.

Identity and time

Publication numberOT-2026-000079724 · never reused
Internal UUID01a0ae96-4375-72f3-890f-51d14c336a66 · 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-2026-000079724
StatusPUBLIC

Content hashes

Canonical text8987c802073bb122694f07eaf928ecc77f9b6d504ce13a57956e904601fa5251
Markdown7d0a3bd70a163036ff3a417ecbfd55cacf09f9c7c66ebb17f109296bfd3e11ec
PDF
Publication pageb00c6be1c36f22b471ac100799e44af278156478548b1fe80a4e6dd4c1fd09fe
Manifest12d6f09b62b36d00691ba63207caedb588f7ea2cf880729b6e19904115850af2

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
Signaturetg9Mu3ZIw0a4EMtEAaHYAFUKA+4WPRsKJC/CYfaUQW5Drd2s0tXyPsceNV1VbMu6P15Y/aqpmRO68lRwnI78AQ==
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

2026-09-17T10:03:35.214913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079724
observed b00c6be1c36f22b471ac100799e44af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.197198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079724/manifest.json
observed 12d6f09b62b36d00691ba63207caedb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.178497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079724/publication.md
observed 7d0a3bd70a163036ff3a417ecbfd55ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.159223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079724/publication.txt
observed 8987c802073bb122694f07eaf928ecc7...
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.