OpenTechnical

OT-2026-000073951

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000073951) never changes.

Identity and time

Publication numberOT-2026-000073951 · never reused
Internal UUID01a0ae93-2b8e-7076-9d73-0792e8a7db4e · 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-2026-000073951
StatusPUBLIC

Content hashes

Canonical texta3c995abae3a5153a585fc8f0a0db3af89f09f6028eebf654631a78aa4f8fd07
Markdownac8976148a2cfe8d10122f40e065443c9b27d4c8cfd731e4e45dbdca91c14e15
PDF
Publication pageb4fbeedb4ab1a640c9cbcc17a18938d0fbc82cf2116837350f4679b2208c4ff7
Manifest657bf06345fe0ce2a7ebf5f88dd54d81ce4efd34a10abfa799b1ae2965375da5

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
SignaturermKTlNOFrHxp3xWfmH4alfrmuvnRyZwGYdxVeK88bWC+lfs26K+JYnMai7a6i9FICX7m+bczhwo63nWp8bN1Bg==
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

2026-09-17T10:20:14.500155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073951
observed b4fbeedb4ab1a640c9cbcc17a18938d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.478572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073951/manifest.json
observed 657bf06345fe0ce2a7ebf5f88dd54d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.457528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073951/publication.md
observed ac8976148a2cfe8d10122f40e065443c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.439725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073951/publication.txt
observed a3c995abae3a5153a585fc8f0a0db3af...
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.