OpenTechnical

OT-2026-000007634

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000007634) never changes.

Identity and time

Publication numberOT-2026-000007634 · never reused
Internal UUID01a0ae62-76bc-71fc-b81c-46a673954bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007634
StatusPUBLIC

Content hashes

Canonical text2e24b25f7a67ce7ad1aa27290660b9dddba670077afa7cbfe6b380ce13b4d8ca
Markdown9215b18b1a2e61b0348d0a0076bd1673b922ce0b01207599fd7de7d0bb95d28a
PDF
Publication pagecdfe017ae1bc0deb6f623e66fb82daea6ae95f633c3891ee7a5f74f309a3ec19
Manifest23f81de87917b551aaad7e31183e4aa9cbc2a0cea6f216e20bde166347315c0f

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
SignaturekG+6akL9wQgl7lvR8dz3Z4klak8m44ym1PIGEa9gPRivc+seHfYySli9SX8LuUIE3p5IRCB3KwIqqEPZBkIABg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:15.055036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007634
observed cdfe017ae1bc0deb6f623e66fb82daea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.038966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007634/manifest.json
observed 23f81de87917b551aaad7e31183e4aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.021682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007634/publication.md
observed 9215b18b1a2e61b0348d0a0076bd1673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:15.004749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007634/publication.txt
observed 2e24b25f7a67ce7ad1aa27290660b9dd...
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.