OpenTechnical

OT-2026-000031363

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000031363) never changes.

Identity and time

Publication numberOT-2026-000031363 · never reused
Internal UUID01a0ae74-87ac-7a66-8bbc-ee8b444a00dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031363
StatusPUBLIC

Content hashes

Canonical text01ee5c546ac7ddbf0e8c5e85710c16bb1a887e5d19527f161ec3e1a5dcd91c30
Markdownbe94214873256d8a91d8b0fcc231a2130bd285f7794966242a678b1069c3e907
PDF
Publication pageba6eaf13cd91c1c3df9ca2e93e25100b5a6377e748c7d5e7d78ff9fd3d0429c5
Manifestb5c529ad9b2c88d99971afff4d979cd71ee56038b38f0c8276355e099ff972d5

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
SignatureewX9EbKDVPD4aFn0bQWCgj0qgvcIWmsz7RPHmJ9GrGwdrzJlJ7jCf8YSyDd5wm5+9K79ElIyLb/pdveqOuNUAw==
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

2026-09-17T11:36:03.908625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031363
observed ba6eaf13cd91c1c3df9ca2e93e25100b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.888441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031363/manifest.json
observed b5c529ad9b2c88d99971afff4d979cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.871547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031363/publication.md
observed be94214873256d8a91d8b0fcc231a213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.852270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031363/publication.txt
observed 01ee5c546ac7ddbf0e8c5e85710c16bb...
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.