OpenTechnical

OT-2026-000101538

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pulsed blow-off after 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-2026-000101538) never changes.

Identity and time

Publication numberOT-2026-000101538 · never reused
Internal UUID01a0aea4-0e15-7a19-9592-6868dda0c2da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101538
StatusPUBLIC

Content hashes

Canonical text5e62803ec34fa5deea8699fcc4ee5417d29a5a49fdd9cf4685578d20b1df0a23
Markdown7c702442cb7c9e8ec1d2c8771f5f0502520a3fad990d31904b9d96d80adc2f13
PDF
Publication page3ee83180737c07e12f4d39a5c847638d0d82f88c23c436ff2121c781d10e25a6
Manifest0e29e5fe2f27f7ab5db5c0050af131a675b69fc2e5a5534fc2291a8456913181

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
SignatureKyIZ4lUaOVFvybhEzInzc33nijJasAuX2jEFfYD9iOI0dCBTk9HsNXePl+R484Mr6rNLg8orPgKisomiOF08AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:34.717996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101538
observed 3ee83180737c07e12f4d39a5c847638d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.698552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101538/manifest.json
observed 0e29e5fe2f27f7ab5db5c0050af131a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.681921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101538/publication.md
observed 7c702442cb7c9e8ec1d2c8771f5f0502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.662320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101538/publication.txt
observed 5e62803ec34fa5deea8699fcc4ee5417...
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.