OpenTechnical

OT-2026-000009963

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, vented before 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-2026-000009963) never changes.

Identity and time

Publication numberOT-2026-000009963 · never reused
Internal UUID01a0ae6b-cb79-7d03-993b-8f5b6e3f9fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009963
StatusPUBLIC

Content hashes

Canonical textb527aff3685600b1dc4ec400c2e998ad018eca94020eaba17a2a55f810597cc7
Markdown6ddf32a9811465999dfc1192fc5cd4bc94b8e419eba10fd615f15b3469729ef6
PDF
Publication page230d9602dd3cc570bd75ccf9eae5828dacd92248e9f83ee0dc0c6d6bc8e787c9
Manifestd472a93e97fb0ceb8694a0d073c06476c4d043d4e29444f4a51b6f0b9ede22a1

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
SignatureECi9Osx/1+pfssh8aJ+kupTc3r/AnAgGHXjiIxSemY3DTMh86kbLMZ5KqAU0QfN0Gkhk2HXUOOZ0PGftRDxPAA==
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

2026-09-17T12:16:00.065316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009963
observed 230d9602dd3cc570bd75ccf9eae5828d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.049400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009963/manifest.json
observed d472a93e97fb0ceb8694a0d073c06476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.029615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009963/publication.md
observed 6ddf32a9811465999dfc1192fc5cd4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.006280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009963/publication.txt
observed b527aff3685600b1dc4ec400c2e998ad...
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.