OpenTechnical

OT-2026-000023831

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000023831) never changes.

Identity and time

Publication numberOT-2026-000023831 · never reused
Internal UUID01a0ae70-aed5-7858-8374-c98da789446f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023831
StatusPUBLIC

Content hashes

Canonical text0369511664e9f90482e4fd5b76788eb1778e60b41d2b2c88199fbdc2723d1036
Markdowncd796a1fd8941ac046ef082083d5dbe6284a6531f1464ceff55a201563a8cefc
PDF
Publication page7f1972822be490b9baa218bccb7e0274cc8342e6a25936fc77e4a57f5a77bb08
Manifest6249474e9099d90da216fe14456c9edcca071c2afaa974f7add05b032ccddc93

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
Signaturebl5cfE3aEZrAmOf9EKyj7Pxl4LOL8bkMiEFnUB15qg2UDxRSt3XT7TLY6yW3Dunmc9OMlnkum8iEvuJDThoeDQ==
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

2026-09-17T11:50:19.219018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023831
observed 7f1972822be490b9baa218bccb7e0274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.198794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023831/manifest.json
observed 6249474e9099d90da216fe14456c9edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.175859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023831/publication.md
observed cd796a1fd8941ac046ef082083d5dbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.155735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023831/publication.txt
observed 0369511664e9f90482e4fd5b76788eb1...
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.