OpenTechnical

OT-2026-000073973

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073973) never changes.

Identity and time

Publication numberOT-2026-000073973 · never reused
Internal UUID01a0ae93-2b8e-7012-980c-58ecb8acbec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073973
StatusPUBLIC

Content hashes

Canonical text08e90a195c9b272831179118425961d84469c8796a446056d5104b6eb9445f26
Markdown7e492e7c2585ad77f113decca5bfc8149078951dd7290e68c60598fd95cb8b30
PDF
Publication page817a863b9a2f0e9b38f9a930756c008551584203828055a3b21afad8e9c2dc8d
Manifestf8c1b971d211cdea033a75602fb1054331f7e01cd961dde22d61eb4a490523b6

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
Signature0pAe0aMh2wBdQbpNcptcYLOSFyAyNhn7sxfLmHYMhk+95TSYEMFGNlcP3CdvDApN5LJGDfGmpXTPOOI3IOjzDg==
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

2026-09-17T10:20:16.024379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073973
observed 817a863b9a2f0e9b38f9a930756c0085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.006937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073973/manifest.json
observed f8c1b971d211cdea033a75602fb10543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.986184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073973/publication.md
observed 7e492e7c2585ad77f113decca5bfc814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.967971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073973/publication.txt
observed 08e90a195c9b272831179118425961d8...
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.