OpenTechnical

OT-2026-000079501

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, sustained 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-2026-000079501) never changes.

Identity and time

Publication numberOT-2026-000079501 · never reused
Internal UUID01a0ae96-0b91-777f-8e83-0f025b3d568a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079501
StatusPUBLIC

Content hashes

Canonical textd0f44fd1ddbdd7762c7c5f3c52791dd1e967ae58178842f817d208b03a71494b
Markdown95d510ad692aa950e423c389283029149f8a33d6d878ccc0a164b1884988bc31
PDF
Publication page992fc31658f419efa095e7e628e1900c04615a0b7eabce98e3dfefe17783690f
Manifest3cdab0ca6ddf3d7ffdc2fa8c779c83dc1006e13a36e64b7cd07636705e8fafec

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
SignatureKq20F9fI4E2MyNB2ViQAEu2JKFbZaUMrzvcwZ9XbJJkxnJi07z4Xq3MC6kGt9L6ve8GK+l8rqfu6T4eLY+KDAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:45.204349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079501
observed 992fc31658f419efa095e7e628e1900c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.185149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079501/manifest.json
observed 3cdab0ca6ddf3d7ffdc2fa8c779c83dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.166815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079501/publication.md
observed 95d510ad692aa950e423c38928302914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.148478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079501/publication.txt
observed d0f44fd1ddbdd7762c7c5f3c52791dd1...
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.