OpenTechnical

OT-2026-000042714

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000042714) never changes.

Identity and time

Publication numberOT-2026-000042714 · never reused
Internal UUID01a0ae7a-c0cf-75a6-9847-389dad56d369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042714
StatusPUBLIC

Content hashes

Canonical textf994ef763078276962299e0180445c66924e764caf83176d83d5cb044f8339af
Markdowna6c0a436267affe7379131fe842c0f5e63ef19a4444f51cb4b799a7d137fa88d
PDF
Publication page1f9b1af8149811ab385ad5ef83c46c9623bfe916bd8b9b6a8ea044ffcbac5c18
Manifest56344f63840ab587c3a137c0a022652a7b286011eba6eb5c9eea39d1c206980f

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
Signature+Ljv+fkup2jq8EOKrp9pjXT+cawdBD7ygGem//ptUrvKxC6y8BZ+w3SmxcBCpm1WryEjj0B768wLENKbOe8wCA==
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

2026-09-17T11:15:04.639130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042714
observed 1f9b1af8149811ab385ad5ef83c46c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.617819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042714/manifest.json
observed 56344f63840ab587c3a137c0a022652a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.596958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042714/publication.md
observed a6c0a436267affe7379131fe842c0f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.579237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042714/publication.txt
observed f994ef763078276962299e0180445c66...
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.