OpenTechnical

OT-2026-000077913

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077913) never changes.

Identity and time

Publication numberOT-2026-000077913 · never reused
Internal UUID01a0ae95-2ed1-7d54-82e7-cb61f9f8ded6 · 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-2026-000077913
StatusPUBLIC

Content hashes

Canonical text07ccca86d908e019de4e58b171c550e1761bd37c126ae5a2bd2b3c57498daa89
Markdown5b55a96dbfaef1aa1709485273b518540136ecd21d13bf62a02b55d165426986
PDF
Publication pagef9b4cd3d3aa7bcc7dafd97ce1e6f8edbaeab3ab18a67d47ccf81634ffe903e2d
Manifestf992a944baad61247ac7f69cae4b0bc46753b96a2360233639f9127ca8bb095f

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
SignatureE2fdEn30T7Ma1O26rEI0/dDgclTMTEW07XhSiOJyMGsAphfcIHiquLZaWCl9xO2qV0cE3PlCD4vnxbEV7dVTCQ==
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

2026-09-17T10:07:39.861643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077913
observed f9b4cd3d3aa7bcc7dafd97ce1e6f8edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.842111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077913/manifest.json
observed f992a944baad61247ac7f69cae4b0bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.821219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077913/publication.md
observed 5b55a96dbfaef1aa1709485273b51854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:39.799648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077913/publication.txt
observed 07ccca86d908e019de4e58b171c550e1...
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.