OpenTechnical

OT-2026-000033730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033730) never changes.

Identity and time

Publication numberOT-2026-000033730 · never reused
Internal UUID01a0ae75-a390-767b-a103-74638839e01c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033730
StatusPUBLIC

Content hashes

Canonical textfd8257e31d7998dadc72c1c604b4d1d303fac823172f63942cf80ad56078e2e1
Markdown0c870250e0daac13788924bfbd718b0a7067e0c7aa3f298e4d4fa41329700535
PDF
Publication page5764f4344c873b36a352d03d65ea7143a59bb74085943c1ea1c3a6a3474a2cc3
Manifestbe4b0b98303901cc2c348062987132f6bcb974c57fc8b61fde5868a9728ae0e6

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
Signature17NSUV49ytHiapMTLPmdngyrbH/dqxw55QbpXY0AHoo7uUaJhLguOSvisu+EcBIxlqykgr9yBQJE8nX0j1w5Cg==
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

2026-09-17T11:31:44.113543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033730
observed 5764f4344c873b36a352d03d65ea7143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.097142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033730/manifest.json
observed be4b0b98303901cc2c348062987132f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.080381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033730/publication.md
observed 0c870250e0daac13788924bfbd718b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.063907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033730/publication.txt
observed fd8257e31d7998dadc72c1c604b4d1d3...
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.