OpenTechnical

OT-2026-000015177

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000015177) never changes.

Identity and time

Publication numberOT-2026-000015177 · never reused
Internal UUID01a0ae6d-ef47-75f9-8484-1c02709575aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015177
StatusPUBLIC

Content hashes

Canonical textef57d1b556a89efef989704f16d02f53d50510c79e7bb082506a22dd938dd43f
Markdown0dba5f880cb7043776257c0d71382a089325dfbea3e4605e78f30864fb3e4897
PDF
Publication page14cf778665cd10384592e4bb2879993bb76be31044083b3f60c89b0558179a36
Manifestec29d6cef54a70077df935f0f1b1aca1b925855830f3c0cfd01213b1b4cc589d

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
SignatureUzfQ9q7ZxYCQMiunWrt6SR0+tlWxxVIkLjohX6ABUlRjbqfaA16vvm0ipTzFgzD3HSSCAlzdQ0xIuKba1VM+Ag==
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

2026-09-17T12:05:47.925119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015177
observed 14cf778665cd10384592e4bb2879993b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.905766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015177/manifest.json
observed ec29d6cef54a70077df935f0f1b1aca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.884040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015177/publication.md
observed 0dba5f880cb7043776257c0d71382a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.862376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015177/publication.txt
observed ef57d1b556a89efef989704f16d02f53...
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.