OpenTechnical

OT-2026-000010719

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000010719) never changes.

Identity and time

Publication numberOT-2026-000010719 · never reused
Internal UUID01a0ae6c-0ee8-7d44-a6e0-b8c41f3b8fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010719
StatusPUBLIC

Content hashes

Canonical textd63f7d6e8c7108b5244311f1d03781234948df43de3324fe945ffd593314b954
Markdown103b2d411231facf8be406049e46acc398a0003a6212bd8a0eba371190fb52f2
PDF
Publication page2662735b81d9d61ffd68557ddeb38e519cb5a2053502dcefd21f6b3b923b87b8
Manifestc639a3a00cc0cea543e7f3bdb5f326fb362ffd8bc91dfd994a8566dd752bc5c0

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
Signature9Ra+EYUhpnSFiqc/yXqv5DUl8r+xKG9k2pJF4UWOm02R0WxtBVAo+nCG/NsVqUqhSNc4KHGTLhyxUhZJAWXNBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:56.497748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010719
observed 2662735b81d9d61ffd68557ddeb38e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.480627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010719/manifest.json
observed c639a3a00cc0cea543e7f3bdb5f326fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.461651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010719/publication.md
observed 103b2d411231facf8be406049e46acc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.442781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010719/publication.txt
observed d63f7d6e8c7108b5244311f1d0378123...
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.