OpenTechnical

OT-2026-000085642

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, sustained 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-2026-000085642) never changes.

Identity and time

Publication numberOT-2026-000085642 · never reused
Internal UUID01a0ae99-aaad-77f9-b3ec-d38097b17e18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085642
StatusPUBLIC

Content hashes

Canonical textd7b74aab0c4f97fa39936172582f48dd8c898297dbb7fabe2ec263dd8411e97d
Markdowneb0b24b9e15be25d8b631768deea132479860653f4b25f67ebe0b146f7b0e9d3
PDF
Publication page1618fb6b0a2fdbf4ccfa3e99b04ad775f5ca8979a8f3fbbf52642ccef2e40657
Manifesta0eef2a10d57d6324269707eaab5455fc01869db68bb063ea8fe797a2756ddad

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
Signature4Rbmd21Y57wg4aMGOojSuBQEgapPGFLBoH9YjwayrUEVYuaYP3Abz2qBeBHnDwwKA1RDWYblUmo1uohe1rHwBQ==
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

2026-09-17T09:54:31.741912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085642
observed 1618fb6b0a2fdbf4ccfa3e99b04ad775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.725580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085642/manifest.json
observed a0eef2a10d57d6324269707eaab5455f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.708122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085642/publication.md
observed eb0b24b9e15be25d8b631768deea1324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.688303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085642/publication.txt
observed d7b74aab0c4f97fa39936172582f48dd...
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.