OpenTechnical

OT-2026-000071239

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000071239) never changes.

Identity and time

Publication numberOT-2026-000071239 · never reused
Internal UUID01a0ae91-e0ec-77d3-b9a8-7473dc303f0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071239
StatusPUBLIC

Content hashes

Canonical textf3ae273676b39eb5aba90c0d36aec92bd965966f551a3ee315252c68a396b910
Markdownf307ea1a367ee4ce1c6e5bdb7be5812b13c0b9e2159b59d627260a1419f0011f
PDF
Publication page9ee7c0a05f8ae04c2387dedb04d0d458ba2f09412445080271be96c15b1d19cf
Manifest0b9242a9393323f6ffbac8723470881807811d04d8be07dc09054de4a558fc48

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
SignatureOPv9OplLSYjW0ST1qI/5MTq10BBz01yBRQr24P04++X1vneyfMpbWjltEErogAWCR+qKPteZlaGPXHuxw+bJBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:47.207812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071239
observed 9ee7c0a05f8ae04c2387dedb04d0d458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.189592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071239/manifest.json
observed 0b9242a9393323f6ffbac87234708818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.171510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071239/publication.md
observed f307ea1a367ee4ce1c6e5bdb7be5812b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.152366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071239/publication.txt
observed f3ae273676b39eb5aba90c0d36aec92b...
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.