OpenTechnical

OT-2026-000043499

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000043499) never changes.

Identity and time

Publication numberOT-2026-000043499 · never reused
Internal UUID01a0ae7b-92ce-7b6c-bc4d-6eef7f58079f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043499
StatusPUBLIC

Content hashes

Canonical text2121e949fb26cd6356e02b14761c045bac7bb6307c0e4ed5b57dd562eb4f1f10
Markdown99e8ecfee47f887ffec0c61e7733d15bc24f18d67ddac121be9b093b833e6e6e
PDF
Publication pagec6182540923ffdd045b902136606dd3f3cda20f58330a84a9ae9a2fa177e8343
Manifest0b67260b4b481178458763733de524a601f1c036396d9929b3a4d941fe2a22ad

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
SignatureBk92MaSbDs1VUzSQyKDrPLbDwm/K2nAfnCfjCXfRAHXXQfrVWDX7gfZYvJ1SF12igyHFIBVHQz8hpsVaEOITDA==
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

2026-09-17T11:12:51.914614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043499
observed c6182540923ffdd045b902136606dd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.895509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043499/manifest.json
observed 0b67260b4b481178458763733de524a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.876910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043499/publication.md
observed 99e8ecfee47f887ffec0c61e7733d15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:51.858245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043499/publication.txt
observed 2121e949fb26cd6356e02b14761c045b...
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.