OpenTechnical

OT-2026-000089174

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089174) never changes.

Identity and time

Publication numberOT-2026-000089174 · never reused
Internal UUID01a0ae9b-db00-7fee-a40b-b9d711eb2a3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089174
StatusPUBLIC

Content hashes

Canonical text96bd881be638502d3602197dcb6d6d4403a9d7a784e4e56531e2e90832d0081c
Markdowne11e68444c8a6e3d553610a65d4383996cec13e33670c6603cd699db877572c8
PDF
Publication paged92473bd44352f5ce6518a16e0790c3f3d5dc9ebdbfa7e29b2c8500a1c49e59f
Manifest594984b6e4f14efd399c50f7f30e369e770d3001491e702f158a5c3ef43d7b7d

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
SignatureOFH5pNEo/NqM8G7JHysYXAw9o1A73xNcV0MBpeQTIAe9zJ/yxj+eHKZugbMbMgIIUF9auWTYdB5bc3fm/jFwAQ==
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

2026-09-17T09:47:11.057338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089174
observed d92473bd44352f5ce6518a16e0790c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.038272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089174/manifest.json
observed 594984b6e4f14efd399c50f7f30e369e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.020700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089174/publication.md
observed e11e68444c8a6e3d553610a65d438399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.003255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089174/publication.txt
observed 96bd881be638502d3602197dcb6d6d44...
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.