OpenTechnical

OT-2026-000042523

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000042523) never changes.

Identity and time

Publication numberOT-2026-000042523 · never reused
Internal UUID01a0ae7a-c0cd-7a37-83e1-f844728c07a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042523
StatusPUBLIC

Content hashes

Canonical text14891f1e0dfaecc5e2fa31f1cf3aa1a3235226e83c9642d4505f4af0f8d69eff
Markdown444a6ab56d6c1338a473396cd8a20482648884af66638ea35cf3977356eff08c
PDF
Publication pagea577a760fef6f4d18eed3ae6a87614ff69276060e9159531100e8bac9c842777
Manifestad35b97f225c705ff252d059db1e5349b9201f39266f8937a25683cd342c6468

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
Signature93WSslUn3dx5+weFRYTpaNyJBv6VmZL+6KMbO+mUOyuwLEMZbxvwm92KIq2M7b228DcQiCLukSHdh06AvHOICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:14:06.494947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042523
observed a577a760fef6f4d18eed3ae6a87614ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.475698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042523/manifest.json
observed ad35b97f225c705ff252d059db1e5349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.455092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042523/publication.md
observed 444a6ab56d6c1338a473396cd8a20482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.434569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042523/publication.txt
observed 14891f1e0dfaecc5e2fa31f1cf3aa1a3...
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.