OpenTechnical

OT-2026-000033254

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000033254) never changes.

Identity and time

Publication numberOT-2026-000033254 · never reused
Internal UUID01a0ae75-4845-75cb-a367-9c2aa5815efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033254
StatusPUBLIC

Content hashes

Canonical text6ac0d0d43f451a84521966b8b117db2b15a54fce5e4d066b3723d1b132b29143
Markdownaabdd2c32fb5c5b46f94cdfff4cb1284a8fb228d33f4517a0cddd42daf61ade4
PDF
Publication page6f2af75f7cc03cee797156cac9d7b1255c5347015d18f8840808d9a71b00eb02
Manifest4f8219b4ee849c10779776d9a892a962bd9b03ad2d3e22dcb115f2ad2a5ffbd7

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
SignatureaGbQKUCDXLPTRg7Hff6pacHvrzTXV5lv4LW6mZS0nN02/WiuXk/+n6/cia0d7nPZY8iKhgBTVP5gYJoPRy6kCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:57.971066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033254
observed 6f2af75f7cc03cee797156cac9d7b125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.952547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033254/manifest.json
observed 4f8219b4ee849c10779776d9a892a962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.934854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033254/publication.md
observed aabdd2c32fb5c5b46f94cdfff4cb1284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.916141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033254/publication.txt
observed 6ac0d0d43f451a84521966b8b117db2b...
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.