OpenTechnical

OT-2026-000009069

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000009069) never changes.

Identity and time

Publication numberOT-2026-000009069 · never reused
Internal UUID01a0ae6b-31b8-714f-a9a2-4741002009d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009069
StatusPUBLIC

Content hashes

Canonical textcae02711f52eb0b93105285bd2c5fb4411fde2802ab773a0e6ab26de0362eb97
Markdown623c6b5c839dba2f4609cb5ac22029fe67097d4af45208eea8b2f7493703ac3f
PDF
Publication page46082dd20f774ea22440a900e1b8b52e64bee54c479116b21f4b23023a9c8f3a
Manifest837d767c0237080c3d0fcaf85e9d9976a4a90f2090d540169960497650114fee

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
SignaturecICVTcBigFiWzqi60SOdFrlOJMru+3b8J2/8lWWgMOxf68nDw+/vs4Ofl4YbAJHEyc7FQzHqm4GjzpEPWED+CQ==
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

2026-09-17T12:17:43.924327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009069
observed 46082dd20f774ea22440a900e1b8b52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.902255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009069/manifest.json
observed 837d767c0237080c3d0fcaf85e9d9976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.880888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009069/publication.md
observed 623c6b5c839dba2f4609cb5ac22029fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.860621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009069/publication.txt
observed cae02711f52eb0b93105285bd2c5fb44...
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.