OpenTechnical

OT-2026-000034207

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-2026-000034207) never changes.

Identity and time

Publication numberOT-2026-000034207 · never reused
Internal UUID01a0ae75-df0d-72a3-a58f-64edceae8ea3 · 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-2026-000034207
StatusPUBLIC

Content hashes

Canonical text047e4e1ba6efa496cf0f3e984846226360e3f205edd635eb931dd9b982b78d42
Markdown438b360ead784e78346b74db837e0612beae30d68c0ff538fa1b304b9f298be8
PDF
Publication pageada54855256cb3d9fdd47743beaf5ab658c2466cdd1bfe697c04d8974d7e8bbf
Manifest0e9e5c3cf72406c3aedd8d7ddaf758e1d0ff41cea90187f29b0ac0b8f689beb2

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
SignaturebyOinIkhDDwNFWmjX83IvJWASZMW7IQaoHCYSU0yv/axaBhr7OvEwXP1zn4FAuZFzDMiYzDyTKTRYpNY+/VlBg==
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

2026-09-17T11:30:45.127212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034207
observed ada54855256cb3d9fdd47743beaf5ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.103815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034207/manifest.json
observed 0e9e5c3cf72406c3aedd8d7ddaf758e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.084558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034207/publication.md
observed 438b360ead784e78346b74db837e0612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.064775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034207/publication.txt
observed 047e4e1ba6efa496cf0f3e9848462263...
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.