OpenTechnical

OT-2026-000067991

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067991) never changes.

Identity and time

Publication numberOT-2026-000067991 · never reused
Internal UUID01a0ae8f-c4fd-7189-a004-007adb8d3511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067991
StatusPUBLIC

Content hashes

Canonical textc2d7054f92631b6c99772dd12c5286aa7f68b4631e7b2c6f11195cfa507145ab
Markdown42f0af9cf80743cd1ca6bfa50c9704604e670261f6471f7a6bc7b3b5a6404505
PDF
Publication page2b25b436192fdeefaf655d0b3f59f42d68429be528053daaca39a47691f578e5
Manifest0983224e8fad0c940a4b9565d947f64109468b8fb7d9b982713a43fa27d6a294

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
SignaturetDXP28B2uj1A16ef4Kup2JMXqCP/HwtO++FYizLMCYrQo0fQs/0nwkuAFbB59y2esz2ljUAs+SUBNSLx9INWBg==
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

2026-09-17T10:30:32.497639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067991
observed 2b25b436192fdeefaf655d0b3f59f42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.480713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067991/manifest.json
observed 0983224e8fad0c940a4b9565d947f641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.463280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067991/publication.md
observed 42f0af9cf80743cd1ca6bfa50c970460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.443564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067991/publication.txt
observed c2d7054f92631b6c99772dd12c5286aa...
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.