OpenTechnical

OT-2026-000077267

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000077267) never changes.

Identity and time

Publication numberOT-2026-000077267 · never reused
Internal UUID01a0ae94-f508-7a6f-a8fa-4cc190fa556c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077267
StatusPUBLIC

Content hashes

Canonical text845ffe6ab72db6df91f3c872e1308061bcd43663803375df22c2d4f5568516d6
Markdownb44c34d475769a7e19737131646f979bd9ee707c505e6a537e95ae587e57109e
PDF
Publication pagedcce8837fe0b5e2d35d5d7a168b303132b2537d3b0e72352ff49615ba3575b58
Manifest86430e5cc8a6a1c427965ff72a84741025e62c296ba4215bb114bdbb9c37d205

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
Signature3LTkVFauXn5cEIQjwCI7fDqlu8cX6oQDVCJ+EzvAemZn/5ZxT8KBL2rzJGEK9nAOXrbjzgaX6gTIVmPgJLa0Aw==
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

2026-09-17T10:08:53.797877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077267
observed dcce8837fe0b5e2d35d5d7a168b30313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.777561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077267/manifest.json
observed 86430e5cc8a6a1c427965ff72a847410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.758413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077267/publication.md
observed b44c34d475769a7e19737131646f979b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:53.738453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077267/publication.txt
observed 845ffe6ab72db6df91f3c872e1308061...
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.