OpenTechnical

OT-2026-000034187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line 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-2026-000034187) never changes.

Identity and time

Publication numberOT-2026-000034187 · never reused
Internal UUID01a0ae75-df0d-7eb5-8f3a-786d48838a29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034187
StatusPUBLIC

Content hashes

Canonical textd5a6ccf9cb5b7ea706130805e92a84569b455b21042f70c86e07cf7da8012a93
Markdown75daa4137a238fbd44c0b2cd6489b043c10f489affcb1f1794880e55f85b0903
PDF
Publication pageb3fbc356fcd2e986d990a1fff9e880e06ed9f4ac0cddc9c88b110fffcfda2d29
Manifestc618ec3f745bd778d69d0ed027e84a97ec0f2852948e228894365f2490057ed0

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
Signaturebm6e0lR9VUnkvFS7m2YOSMKRd1neosowqCIi/dtAnjf+fP6Dm/vuBjlRHoVA6PfiFeVj9lsC0VpyPk/U0biuCA==
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

2026-09-17T11:30:43.511678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034187
observed b3fbc356fcd2e986d990a1fff9e880e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.493025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034187/manifest.json
observed c618ec3f745bd778d69d0ed027e84a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.473303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034187/publication.md
observed 75daa4137a238fbd44c0b2cd6489b043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.452960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034187/publication.txt
observed d5a6ccf9cb5b7ea706130805e92a8456...
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.