OpenTechnical

OT-2026-000066715

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066715) never changes.

Identity and time

Publication numberOT-2026-000066715 · never reused
Internal UUID01a0ae8e-ce42-7e89-beae-b332dc7e9526 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066715
StatusPUBLIC

Content hashes

Canonical textd57ceec4299973f5375bec1e4278b657b91cd20a38ecb98b19825a32cefcd1e9
Markdown8e632cad308c96bd5c6bc33a203913ad8aa3e1976167b0cbf6d122aaa693b1a2
PDF
Publication page6c44e933c49376ffeea236bc09c01a5ed87b4c7366ef95e7d786e947979a700c
Manifest979d1ed71cc9ab9adb99b840f1ba6fcfccee1fa1f6489e3db2efe81ed497199e

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
SignatureZD1TLYNT2rCGBakU1da4oJDZFjRDeDaNaGtwzurn/DZ75tkhA3ORPcNF0vtKY3P2y26T7auF9WO300Il7xmcAQ==
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

2026-09-17T10:33:07.082136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066715
observed 6c44e933c49376ffeea236bc09c01a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.064214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066715/manifest.json
observed 979d1ed71cc9ab9adb99b840f1ba6fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.046800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066715/publication.md
observed 8e632cad308c96bd5c6bc33a203913ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.027771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066715/publication.txt
observed d57ceec4299973f5375bec1e4278b657...
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.