OpenTechnical

OT-2026-000088678

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088678) never changes.

Identity and time

Publication numberOT-2026-000088678 · never reused
Internal UUID01a0ae9b-8f0f-71a0-98c0-3591d941d0de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088678
StatusPUBLIC

Content hashes

Canonical text3db689b7f6f1fe104566b8c9d9f6c694f6d5de7ba86550f5890d8d7440cb977f
Markdownae9e230cdadce7f2328f0aec8114deb4f59550a50b0e7d09d2237caa1710ef48
PDF
Publication page29f87d6dbaa5b9e80250b2e0c2caa10792ed81be88a2b48bdb9a102cdd61b140
Manifestc3c05625683bdea230e93c1bb8dbce1cdba009e52e7bbbf79c7f5936b1d00e8f

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
SignatureAkLCFnLVptbzdVKM2JCylAS+WLBUcnA3jhYPs7hWkBviBJqvui6NMOxcnzMAUUJxRLyh5GbzorJsxC6+84TQBw==
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

2026-09-17T09:47:54.369521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088678
observed 29f87d6dbaa5b9e80250b2e0c2caa107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.352588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088678/manifest.json
observed c3c05625683bdea230e93c1bb8dbce1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.334622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088678/publication.md
observed ae9e230cdadce7f2328f0aec8114deb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:54.316843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088678/publication.txt
observed 3db689b7f6f1fe104566b8c9d9f6c694...
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.