OpenTechnical

OT-2026-000023451

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000023451) never changes.

Identity and time

Publication numberOT-2026-000023451 · never reused
Internal UUID01a0ae70-7269-702c-ab87-ef6e65b27852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023451
StatusPUBLIC

Content hashes

Canonical texta0bdabc4a0d04ac28a487038bc0d571f2b5597a40dbfadbf53c2b0b8efdff9c4
Markdowncf84ab12c4c89cf13fff8e166f31d3384b429fe5b6f67a9d6cf13d5a0c28c9a6
PDF
Publication page1c5ed50e67438452cb55ed68fbf6238532fb3391b054f20dd87f83a1ce160c49
Manifest8bf0144cec210af59e628dc0faf4ec98443fa7d3acde2774339d04ea4efed740

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
SignatureZQmRNrsVNBCHsiejh/IXa3LY7raUz7KZxT538DNsRK3quRYtiVr9KS68dzDHesHr9uucEH4gIsBAV7hLwtSoAw==
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

2026-09-17T11:51:40.146092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023451
observed 1c5ed50e67438452cb55ed68fbf62385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.129865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023451/manifest.json
observed 8bf0144cec210af59e628dc0faf4ec98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.113333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023451/publication.md
observed cf84ab12c4c89cf13fff8e166f31d338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.091765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023451/publication.txt
observed a0bdabc4a0d04ac28a487038bc0d571f...
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.