OpenTechnical

OT-2026-000015040

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000015040) never changes.

Identity and time

Publication numberOT-2026-000015040 · never reused
Internal UUID01a0ae6d-d096-76d8-8841-74778cba1828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015040
StatusPUBLIC

Content hashes

Canonical textf4c15d9b06a235e6a0500e58ca406ebf75e6b3180114f0c30524bb1357644f52
Markdownec6440a4479704f63cb468e6dfa676f7f74c7b1dff69957318680170a1d740ff
PDF
Publication page0bfa91bac9dbb5cafa9d85072d4e7ab3def364fb22b7e1ebb20995836b8f26d7
Manifest1a4866fe96df57f0dccfed7bf21ba99882b1f39ee00e376da9abd19469cca76d

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
SignatureyfVBwep4KFyDH9c21s9YLvW95KLFr36pOLMEJu7sjGX+JjMA0vHBliI//jJ7AhYe8nN3nETz7Zkdw/hTtPtdCw==
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

2026-09-17T12:07:01.322594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015040
observed 0bfa91bac9dbb5cafa9d85072d4e7ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.302299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015040/manifest.json
observed 1a4866fe96df57f0dccfed7bf21ba998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.281458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015040/publication.md
observed ec6440a4479704f63cb468e6dfa676f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.261050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015040/publication.txt
observed f4c15d9b06a235e6a0500e58ca406ebf...
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.