OpenTechnical

OT-2026-000006076

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, pump fed, vented after 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-2026-000006076) never changes.

Identity and time

Publication numberOT-2026-000006076 · never reused
Internal UUID01a0a94e-89b7-7c32-a3fe-d644aa8ab89d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:21:31.706036Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006076
StatusPUBLIC

Content hashes

Canonical textd072f2868e0f20dfb3872dfc11b61cba74a5c5f22fccf31caed791bb8172d9bb
Markdown93feba5dc011f9260728404bbf434196e760b5300fddccdf960334ce30cee376
PDF
Publication pagef831a88a59a72b2b973860785710244872a7a8757c2d951ca50a9b0156a8f2e7
Manifest6fc4d44a37a8035c4e447a8abdba1cd420db520ae6bdbabc62ba4d586ee8c334

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
SignatureJY25pThHCAJUclQ1GniqKF34R570qmMZMzl9f9KjPMaD7NrL3HgzizBmRKLQjCvmVj+hh32STV6ydPan8XwLDg==
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

2026-09-16T08:30:30.200518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006076
observed f831a88a59a72b2b9738607857102448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.188203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006076/manifest.json
observed 6fc4d44a37a8035c4e447a8abdba1cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.174677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006076/publication.md
observed 93feba5dc011f9260728404bbf434196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:30.160428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006076/publication.txt
observed d072f2868e0f20dfb3872dfc11b61cba...
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.