OpenTechnical

OT-2026-000009591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, vented 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-2026-000009591) never changes.

Identity and time

Publication numberOT-2026-000009591 · never reused
Internal UUID01a0ae6b-7563-7633-a8d6-c766fec1d833 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009591
StatusPUBLIC

Content hashes

Canonical textb5849852fbee580b6e366f7867cd1fffdbcb1308ed42987d96f37f66dc71d7db
Markdown3ac5ee4d21d387c706bddffde4f64de107c91de58d332094536e6daef5ac63a0
PDF
Publication page0115170a14013b2d988e8166b85be41395e319d6bb612096f357659d5c6213ef
Manifestc718c552fcc4cca62fe22ca6e1d0631dfb0ccf42f09595d24f322a0170bc72f4

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
SignatureUM2Krti07s/R5RAqGLOMRRily0sfZ/28/NZdbnwB+HCHhz1yuqncLae7HuGpjpHHzGDzlRgquOWbTCVYN/3nDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:02.047528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009591
observed 0115170a14013b2d988e8166b85be413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.026491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009591/manifest.json
observed c718c552fcc4cca62fe22ca6e1d0631d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:02.008077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009591/publication.md
observed 3ac5ee4d21d387c706bddffde4f64de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.988893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009591/publication.txt
observed b5849852fbee580b6e366f7867cd1fff...
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.