OpenTechnical

OT-2026-000010490

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, vented 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-2026-000010490) never changes.

Identity and time

Publication numberOT-2026-000010490 · never reused
Internal UUID01a0ae6c-0ee7-7e71-9674-762a39f3a53f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010490
StatusPUBLIC

Content hashes

Canonical text296964455b0727cd22c122b2a8fd0d1564eab92e1b3a1ff45c330d2ec09082bc
Markdown6f588d364dc2631c9018c676c06d2022ddc07c3387ad61269105f20a5f9aaab9
PDF
Publication pagea5db9fc86491c059076112039a8170131269a6606d1008708b6d9e7625d7b2d5
Manifest6a8d4b2242a7262f823eb4e040dbb333421193158cf5ced91d91b068fe263996

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
SignaturePm6noftM4OndCTqKClQgkcXKxkCEqnB/Z/jJItC3ESsI3w/mbZgEwxJC+GoisXo7QB22MRr/iuQGSC9pgUBFAg==
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

2026-09-17T12:14:38.374721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010490
observed a5db9fc86491c059076112039a817013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.354163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010490/manifest.json
observed 6a8d4b2242a7262f823eb4e040dbb333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.334787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010490/publication.md
observed 6f588d364dc2631c9018c676c06d2022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:38.316054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010490/publication.txt
observed 296964455b0727cd22c122b2a8fd0d15...
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.