OpenTechnical

OT-2026-000100694

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100694) never changes.

Identity and time

Publication numberOT-2026-000100694 · never reused
Internal UUID01a0aea3-66f3-7775-864c-579b0d884918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100694
StatusPUBLIC

Content hashes

Canonical text95eba808153cb34f8227eef5f8c62c1499a9cde7b727ade2761b752fe19534c9
Markdownca50c9800f4d736005207dd59d2646f2d2af297d397ba118f165dfee437520d6
PDF
Publication page9e4cff425fe1e7b3a55247100964341d4d21619b29210de25631fcea11e8282a
Manifest807868d2b7ed877c0dfaaa60021ff33156516e33d326f87327e4a7c6f4f4a92d

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
SignatureiKkFWKol1UnWte4lgVS7X6p/hoSqkfGAFMnlhDknmNIxAN5MibikMwOvrvzlD4ogk9yenDT8A3BFEzoXtr/7CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:30.712240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100694
observed 9e4cff425fe1e7b3a55247100964341d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.695381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100694/manifest.json
observed 807868d2b7ed877c0dfaaa60021ff331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.676880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100694/publication.md
observed ca50c9800f4d736005207dd59d2646f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.658085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100694/publication.txt
observed 95eba808153cb34f8227eef5f8c62c14...
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.