OpenTechnical

OT-2026-000084440

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000084440) never changes.

Identity and time

Publication numberOT-2026-000084440 · never reused
Internal UUID01a0ae98-5b63-75ba-b58d-25bf4e35da18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084440
StatusPUBLIC

Content hashes

Canonical text2eeb651f014417fc048a0d019e145e1ea01b4603b16e890a4f3e75a5a9750263
Markdowna72fbbd2a456a8590c111a14764314df83a5baa6285912e8db9011e93a44b240
PDF
Publication page7eddd667be5b563229e2ff1d13984d72aa0c9a0d8159a23b585ad7b93498aeac
Manifest34c481f40e7e0076360c1eb68e9cf4f04d8ff8726217a945f54f2d4eab084b45

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
Signature/M+nLi8GW062UqI/sCDrBzb0DoaKX34m0zIyFD18fAr/GBc8fXrRVq+PqLc0EW5HrDG/rvPSTjFJXB5z6lFhBg==
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

2026-09-17T09:56:23.693979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084440
observed 7eddd667be5b563229e2ff1d13984d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.675227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084440/manifest.json
observed 34c481f40e7e0076360c1eb68e9cf4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.658000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084440/publication.md
observed a72fbbd2a456a8590c111a14764314df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:23.640009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084440/publication.txt
observed 2eeb651f014417fc048a0d019e145e1e...
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.