OpenTechnical

OT-2026-000026678

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026678) never changes.

Identity and time

Publication numberOT-2026-000026678 · never reused
Internal UUID01a0ae71-f4aa-7972-bc29-2b944014a2b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026678
StatusPUBLIC

Content hashes

Canonical text3a0240f3764ccb3d4f09dd7c7e1f0dc82dd74fef9d0f47f24c64ebd994d0b839
Markdowna31ff82f3c9b1fd08774fc85d7ee347e8cfd0b2b4a88aa13499f8262fd395c2e
PDF
Publication pageaa0f72a84d67e02c7338d1b71b65b1867556580cbb2c7b520157bdfd1ef2570e
Manifest7ffe27c87b8b05cec471b9e8f67f54a7cf649267cb279d902cd92ae47c6d6b43

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
Signaturei7Kko/5RdslabZt3c6loIJ3+GF8Ui4p2xVOxqsG9uPRIh3rMlIMpoDnvpbmdUe6gJpiUyTgK3ma/zePP+S0FCA==
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

2026-09-17T11:45:45.840335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026678
observed aa0f72a84d67e02c7338d1b71b65b186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.822680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026678/manifest.json
observed 7ffe27c87b8b05cec471b9e8f67f54a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.803866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026678/publication.md
observed a31ff82f3c9b1fd08774fc85d7ee347e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.786081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026678/publication.txt
observed 3a0240f3764ccb3d4f09dd7c7e1f0dc8...
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.