OpenTechnical

OT-2026-000013288

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000013288) never changes.

Identity and time

Publication numberOT-2026-000013288 · never reused
Internal UUID01a0ae6d-6fc9-731d-abd5-eb90191b5f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013288
StatusPUBLIC

Content hashes

Canonical texta38b1959a9225e0614bc0baebb416f4a598a25f6456e5323d32f5ac46bdfe648
Markdownf351acbba0b83574b4ceaa650461f79451c2a548a2ff808e53668ff888473d7c
PDF
Publication page02c3e3fc23daab68273d862bcb54fecee6b22853dcaf8e7c1aec61db70734a5d
Manifest0982326c6748b603301de1444c0d5182d056b8ae4a4f1db535440848f9fb6d8a

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
SignatureL2RBwwk+D8HKRyzw2Kx4A9r/moIPeGNqADSyOT8G/SNY8X6Ef9k929qR873msf6IEsnzKLiM1Z7u3IGKcE2mDw==
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

2026-09-17T12:09:42.610870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013288
observed 02c3e3fc23daab68273d862bcb54fece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.591476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013288/manifest.json
observed 0982326c6748b603301de1444c0d5182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.571132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013288/publication.md
observed f351acbba0b83574b4ceaa650461f794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:42.549930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013288/publication.txt
observed a38b1959a9225e0614bc0baebb416f4a...
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.