OpenTechnical

OT-2026-000031325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000031325) never changes.

Identity and time

Publication numberOT-2026-000031325 · never reused
Internal UUID01a0ae74-87ac-7223-9f09-119dfdbdcb30 · 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-2026-000031325
StatusPUBLIC

Content hashes

Canonical textc6fc3b2c70f94659243e8d71acdee0861da1704c5a7492528a71f237062b7fab
Markdown59498899369566c01337e6d7b2f51ff851974382e8f0bf6d2315d3aece4b0827
PDF
Publication page5e1f340ae829cf9bfd66f984c1d23de7b1c0c64db048f8e8854c54ad9edd0c03
Manifestef692515598655f9278ee0997299d65a6cb33c7017277c39ab027c29c3608a93

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
SignatureHkBGWwNp+TYndVk8H15uHs3rdfyEOgXPECw8heN/sw4lcV6S08kNHVMaaRxWjVvtXK9a9MgBoEF0O6hu54EbDA==
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

2026-09-17T11:36:00.986999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031325
observed 5e1f340ae829cf9bfd66f984c1d23de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.969840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031325/manifest.json
observed ef692515598655f9278ee0997299d65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.950419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031325/publication.md
observed 59498899369566c01337e6d7b2f51ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.933598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031325/publication.txt
observed c6fc3b2c70f94659243e8d71acdee086...
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.