OpenTechnical

OT-2026-000071949

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000071949) never changes.

Identity and time

Publication numberOT-2026-000071949 · never reused
Internal UUID01a0ae92-47c0-7475-97d3-0a74aed6ce49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071949
StatusPUBLIC

Content hashes

Canonical text5c8dad349cd3326beb5e7fbc550d3f0491ae19ab970cf4c6bc866c90f6435061
Markdown3e7ebba8734c1cf526d1a9538913a7a56a7e500a2af6b9072e32b27b743a1ec4
PDF
Publication pageb6f033bc5500737f59eac4c86b6423f4d6b985b8cd458137fa59ba6bcb122b71
Manifest770f335b542e45f87a4a8b36a65580b3f950f7a556f19e5799a9c75fab42d279

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
SignatureLsaBdIRfGClvhpbm+nghBzewbh1ay8CVNjFVh3zNzu2UrtR+d050J6gckFlkp3ORSNTra4OkoVOi9AgjZDSLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:59.149856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071949
observed b6f033bc5500737f59eac4c86b6423f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.132036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071949/manifest.json
observed 770f335b542e45f87a4a8b36a65580b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.114642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071949/publication.md
observed 3e7ebba8734c1cf526d1a9538913a7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.096564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071949/publication.txt
observed 5c8dad349cd3326beb5e7fbc550d3f04...
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.