OpenTechnical

OT-2026-000009777

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000009777) never changes.

Identity and time

Publication numberOT-2026-000009777 · never reused
Internal UUID01a0ae6b-7565-71ea-b07e-2dd5f9a667c2 · 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-2026-000009777
StatusPUBLIC

Content hashes

Canonical text7b8377e5bf6de5eff8311b590caa2a8cee30f7e61a16b6c4662b45c16706147a
Markdown084f3d87240e0fc3ca7b01790300bb64fcead4192adcf61918881d2a2ce70696
PDF
Publication pageeb76ec61e6795ed53da6897942cee4a0df2c93b0eb7dec3c4bf37658b2974b6b
Manifesta391fe523aff20c732603f5b2cbb7ac8c451d920477f3571ed35fdaa6a4b4ec9

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+4qlXxjGNWrR4bomWI57Lv+0B58sh8jkE0BcOCHy6ffg2USebnhWf6RcoF4d84jVHvsQFnnXZ7Apn4cH7f6CCg==
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

2026-09-17T12:17:17.394490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009777
observed eb76ec61e6795ed53da6897942cee4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.376547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009777/manifest.json
observed a391fe523aff20c732603f5b2cbb7ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.356854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009777/publication.md
observed 084f3d87240e0fc3ca7b01790300bb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.337607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009777/publication.txt
observed 7b8377e5bf6de5eff8311b590caa2a8c...
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.