OpenTechnical

OT-2026-000005768

Publication integrity record

Porous face vacuum gripper, three zone face, ejector fed, contact triggered on the face

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-2026-000005768) never changes.

Identity and time

Publication numberOT-2026-000005768 · never reused
Internal UUID01a0a944-3065-7c7d-af25-7a80c095daec · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:13.482400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005768
StatusPUBLIC

Content hashes

Canonical textb6c4d93839c97cbfcf0676c5a1194ca845c31578dd7f41da65d83b351ca86bbc
Markdownc94b5f4ac7e0aaec2c20a3854962cf9cf926fea6b1fe48fce0fa945f53178a15
PDF
Publication page68d886029857c79ad7b120b94120ad138e75d443a724aecf5f9b01df6300e816
Manifest32b7802985c51c787664b8dfe98f61fc909f328fddcd2a0becf8d2fca7bfb2f2

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
Signature8UXIb6Ugt5iTUn7Zhcao4xU5giC/hDk5nrRs4Wcin0NUPg5UsDBV5sPBitGwR4dDLfYeJtk8Ez/KlJxjT07JCg==
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

2026-09-16T08:20:35.143399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005768
observed 68d886029857c79ad7b120b94120ad13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.129684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005768/manifest.json
observed 32b7802985c51c787664b8dfe98f61fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.994384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005768/publication.md
observed c94b5f4ac7e0aaec2c20a3854962cf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.980234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005768/publication.txt
observed b6c4d93839c97cbfcf0676c5a1194ca8...
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.