OpenTechnical

OT-2026-000010898

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000010898) never changes.

Identity and time

Publication numberOT-2026-000010898 · never reused
Internal UUID01a0ae6c-540d-7409-8d1b-cc1a28f2ca9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010898
StatusPUBLIC

Content hashes

Canonical text2dd68d0e94ca740c5bbdf4af9fc7b586f5f6a818e7327d45c397c49c70cc4ef7
Markdownd8e71939d0da1bbd9eda0f73d995c65d66bbafaf1f6f46936d7db9438521b408
PDF
Publication pagead9e9f00f23bf245b223dd1501cbc662e2a5f170a5f5939515b305bbea357f4a
Manifest4d7786b14bd5dbe45c14fa082d26da3e97d69315632b6c02312166a6561ee6c0

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
SignatureCplIfDbXGYtSBx7/le0ZSuaSU71K83FYXDkhm1jP7A8Zyvyrj0hCpEoL/8qer9CDnHc2ThDyWlVzGYUOf96jDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:40.153845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010898
observed ad9e9f00f23bf245b223dd1501cbc662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.136080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010898/manifest.json
observed 4d7786b14bd5dbe45c14fa082d26da3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.117775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010898/publication.md
observed d8e71939d0da1bbd9eda0f73d995c65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:40.098782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010898/publication.txt
observed 2dd68d0e94ca740c5bbdf4af9fc7b586...
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.