OpenTechnical

OT-2026-000005696

Publication integrity record

Porous face vacuum gripper, three zone face, two stage ejector, pressure verified, contact triggered

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-2026-000005696) never changes.

Identity and time

Publication numberOT-2026-000005696 · never reused
Internal UUID01a0a941-c141-72fc-a55b-6b60c500b7df · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:33.955241Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005696
StatusPUBLIC

Content hashes

Canonical text4126d7899d83921579b79afa0873370f67ed05ecfa8fe55e6e00e2379a7ea97e
Markdownc288f74ff17f69292cd79f8ad14a90602791d05fbb73d44752795f13c50d387f
PDF
Publication page6d3bc5e92d7ffda9a49139f13e7ff28966494e83682df301885cdd6065c54870
Manifest43578f17f2db4e789cd37d0467ce4cb47dd6056c3c770cb0a573efafa52af7df

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
SignatureH+M4MV3vrOBnhfk1KBsLgS6Q86CKBS1466n0bAK5nbImrO8yBEoimkjzE3gDh5jX8qU81F+3y3LJSMtFha3qBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:10.670476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005696
observed 6d3bc5e92d7ffda9a49139f13e7ff289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.655061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005696/manifest.json
observed 43578f17f2db4e789cd37d0467ce4cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.639179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005696/publication.md
observed c288f74ff17f69292cd79f8ad14a9060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.622617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005696/publication.txt
observed 4126d7899d83921579b79afa0873370f...
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.