OpenTechnical

OT-2026-000075381

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000075381) never changes.

Identity and time

Publication numberOT-2026-000075381 · never reused
Internal UUID01a0ae93-f201-7f6d-a456-7001fe9d0d45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075381
StatusPUBLIC

Content hashes

Canonical text1373e234b08844b1f931f00114f403f49a59fbea52115a38d85689cc9a497d8a
Markdown9d4a57338bd1bd73c6e46ec085df31daebbcc60783de1551d7292506cbd0222c
PDF
Publication page528331a24bcd29d3114a7b1a302eb48385038ec9a6dc59b7a207ac29473499d7
Manifest69aba9c56b4f3d31b548e349d497e262bbb3d1023117557755a1078d49b8eae2

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
SignatureJgj0Ti7KxVW/ny7m2Ovyq1sJkeDcRTxA7UrIizFvOb9VAYcsAcfAaC7DDyTWvuzgusjgl3rWxMWy/Ch9Gf6/Bg==
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

2026-09-17T10:17:25.024336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075381
observed 528331a24bcd29d3114a7b1a302eb483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.006264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075381/manifest.json
observed 69aba9c56b4f3d31b548e349d497e262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.985204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075381/publication.md
observed 9d4a57338bd1bd73c6e46ec085df31da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:24.967727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075381/publication.txt
observed 1373e234b08844b1f931f00114f403f4...
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.