OpenTechnical

OT-2026-000084551

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000084551) never changes.

Identity and time

Publication numberOT-2026-000084551 · never reused
Internal UUID01a0ae98-e25a-7a7a-b0a7-3bb491f7a08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084551
StatusPUBLIC

Content hashes

Canonical text52467e343b1fd1369ca873d4fcef183a31f4e4b5d2a68fce0e280eb57a9a8d8d
Markdown4257a83010bc5e4d5bf88fe0f84d03579d4a80b0818af56de3d0ddf3b1d648da
PDF
Publication page805d741f860a2054503f67860dac6482e362f1106dee12c88a3bf7efd31a1502
Manifestf13efad6cac2e0dbee5dad85fc3ce654633c098cf75b12faf314410c70a66cbc

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
SignatureAyqYgwT2/zF4Wb9Vtd/ITI3qVPtilTR+RjEmOTRq59/lUoVKthcnhHWt6hjUrsA3h0EGuCaZ6KS0A9Y+sjrpBw==
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

2026-09-17T09:55:26.566107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084551
observed 805d741f860a2054503f67860dac6482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.549831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084551/manifest.json
observed f13efad6cac2e0dbee5dad85fc3ce654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.532566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084551/publication.md
observed 4257a83010bc5e4d5bf88fe0f84d0357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.512025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084551/publication.txt
observed 52467e343b1fd1369ca873d4fcef183a...
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.