OpenTechnical

OT-2026-000005811

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, 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-2026-000005811) never changes.

Identity and time

Publication numberOT-2026-000005811 · never reused
Internal UUID01a0a945-a710-776e-84ba-ee9e3ecaabfe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:49.395018Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005811
StatusPUBLIC

Content hashes

Canonical text7f30821bf39a9f4ed22a59f6428de55ccf470e12fb36cd106b5123ed82ac7610
Markdownb8766758df366646c2cc73f120d150cd089147b142ec5eb5e67eab40df1b779c
PDF
Publication page15c710a16c517482bc79ebe1a56f75501cdf41a9a60e4bfec8dd632d7c7fd25f
Manifest9bba5bc5bcf2abc18416dfbe45f2b7e32203150fecfde9d271eeb8d66ab887af

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
SignatureilAIEexXGx2C5k6BtlFBUKGF9xfTOZ2sXXAhUE2kXz+5GHFrM0Jw+R+NhqaJQ/YTllOHvlE4MPQpGtE8n6XcAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:30.124705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005811
observed 15c710a16c517482bc79ebe1a56f7550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:29.988809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005811/manifest.json
observed 9bba5bc5bcf2abc18416dfbe45f2b7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:29.974713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005811/publication.md
observed b8766758df366646c2cc73f120d150cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:29.961003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005811/publication.txt
observed 7f30821bf39a9f4ed22a59f6428de55c...
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.