OpenTechnical

OT-2026-000091624

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091624) never changes.

Identity and time

Publication numberOT-2026-000091624 · never reused
Internal UUID01a0ae9d-43b8-7216-9c3a-54a407f87353 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091624
StatusPUBLIC

Content hashes

Canonical text052baca9f7007f01c72a35fc64b168c63f10f39dcb313a209773f40b28248cd8
Markdown174efafe42029a5326c5366691ae5d035de6920bd5b20760022a545898ee25c6
PDF
Publication page1bd3d209fbf4327bc42fdf08aed125ba9d41d73e2a5d2b22f3d7f109731a589b
Manifest5e10e6a30b206273ff350ea236bf89b4c57fd58fd1f75ff2aa5f41c53da6c6a7

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
SignaturePde4+MejmcoI3FXILGU9FGXCLu23Cy0AJxgeu/MDccL5QTu0GZEY+a1isWxp3NRrnldkX7nF04Zm46iDizAwBw==
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

2026-09-17T09:41:59.097212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091624
observed 1bd3d209fbf4327bc42fdf08aed125ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.078979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091624/manifest.json
observed 5e10e6a30b206273ff350ea236bf89b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.060390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091624/publication.md
observed 174efafe42029a5326c5366691ae5d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.041859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091624/publication.txt
observed 052baca9f7007f01c72a35fc64b168c6...
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.