OpenTechnical

OT-2026-000011891

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000011891) never changes.

Identity and time

Publication numberOT-2026-000011891 · never reused
Internal UUID01a0ae6d-1942-7bca-998c-59f0c7a5e4c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011891
StatusPUBLIC

Content hashes

Canonical textccbcd3bfe977b8908c4ac164e23db665ca5fa45c82b3df3891a0ea336430b151
Markdownd4e938fcb7869500dfd3cb4963cf5e69d8f6029dc2a3774a82012b5d700a1b86
PDF
Publication pageb13966a38260fa474a378b02ff0a02fafaa29399da6be248e096757d120e447f
Manifest7d6059eb727e47fd1fde2c209d953fd2c47f5ee4da0ad1ab7c3f72488a58c0f3

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
SignatureUKfUGlcSwJ9K8yDFJuc6wSlWQNDQ5jDby0xeDuANmDerrK6SIsiIpDamaZEKoru5+eJT2eP2Was/pLWIVWg+DA==
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

2026-09-17T12:12:38.770594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011891
observed b13966a38260fa474a378b02ff0a02fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.750251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011891/manifest.json
observed 7d6059eb727e47fd1fde2c209d953fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.730159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011891/publication.md
observed d4e938fcb7869500dfd3cb4963cf5e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.708520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011891/publication.txt
observed ccbcd3bfe977b8908c4ac164e23db665...
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.