OpenTechnical

OT-2026-000077916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077916) never changes.

Identity and time

Publication numberOT-2026-000077916 · never reused
Internal UUID01a0ae95-2ed1-7f9a-b09b-8ef2e0b3a332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077916
StatusPUBLIC

Content hashes

Canonical textfdeeaf4738c9a8b5602045d917fd0923ca216b9a1f516328f060dbe2f44663b2
Markdownd9dc2776c5b426d0c2f565f98b9ef3e028263aa43d4b7fff6f64d31d0b20c4af
PDF
Publication page3d7e37e906aa25d42c1dcbfd523c751adc5b9f50099fab2177dc44b01f3d83b3
Manifest0f03637ee14aac1f9c6521457bd580efc2ffdd3f1fbce0d7ab7fea0b47df0406

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
SignatureNs3QciL1AWGWVkCiaTcqtszr/kixWdVzBC8iDjMdcekxIC0+KvdTL7iWfMNdk5btKExgrZ2DHAd/YehT2ksVBQ==
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

2026-09-17T10:10:08.785512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916
observed 3d7e37e906aa25d42c1dcbfd523c751a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.763648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/manifest.json
observed 0f03637ee14aac1f9c6521457bd580ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.745164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/publication.md
observed d9dc2776c5b426d0c2f565f98b9ef3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:08.725792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/publication.txt
observed fdeeaf4738c9a8b5602045d917fd0923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.581437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916
observed 3d7e37e906aa25d42c1dcbfd523c751a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.560759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/manifest.json
observed 0f03637ee14aac1f9c6521457bd580ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.543258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/publication.md
observed d9dc2776c5b426d0c2f565f98b9ef3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:11.523658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077916/publication.txt
observed fdeeaf4738c9a8b5602045d917fd0923...
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.