OpenTechnical

OT-2026-000030591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000030591) never changes.

Identity and time

Publication numberOT-2026-000030591 · never reused
Internal UUID01a0ae73-e505-7ddd-8c9a-dec64d928648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030591
StatusPUBLIC

Content hashes

Canonical text6d1041f4256ced2cc7b3de22849d77b217fd1c344cfb473f9a91e8b89947bc74
Markdownb599855088953cdb274272295e71f1b7753995a387bf17c546bb4f650015e5a4
PDF
Publication pageafc5d324cde2fd256bd28ecdb05762dfc523495c4685fc5f0ce4e66810aab773
Manifest120cccb96b3465ffa055b9caaf48247c0ed8f2e5d478dbf69fdaf8da0e6eedc4

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
SignatureN2Ats/d4jUZ+oBxULfhI/Ox1p2YYVJjJlXtlFBGNwYrMhqpF1Kdr2rNN3cfoxxAC/FLoSnI7qQm+RskTy7gvBQ==
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

2026-09-17T11:38:28.114557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030591
observed afc5d324cde2fd256bd28ecdb05762df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.097615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030591/manifest.json
observed 120cccb96b3465ffa055b9caaf48247c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.078528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030591/publication.md
observed b599855088953cdb274272295e71f1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:28.060324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030591/publication.txt
observed 6d1041f4256ced2cc7b3de22849d77b2...
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.