OpenTechnical

OT-2026-000005761

Publication integrity record

Porous face vacuum gripper, four zone face, two stage ejector, pressure verified

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-2026-000005761) never changes.

Identity and time

Publication numberOT-2026-000005761 · never reused
Internal UUID01a0a943-ebd1-739a-9b14-489d389b70dd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:55.923437Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005761
StatusPUBLIC

Content hashes

Canonical text78377c7600aeb2b95d0ca5377f987143c7f66922444cf6d5b7399b94cfca9d54
Markdown54e2b91fa3c09022437a4c075a0c494100c4daf8fc681deb3757aec989fe3dfb
PDF
Publication pagebf778958cad3b50844af74e01114bd0c85114ae31500a030cc9c733f06e26ff4
Manifestf77554cc1ff04c7858c04e392d73019871f44a686ba4edcf4c996f6fffc68de6

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
SignaturezL+KD+5O+km1vGQ6A2q+e5zYOeDlD5I8PnufAo+yme2fMhxkmvlX7CbfrVm8V6VF1I0PCu9BOuMGrzILMgKHCQ==
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

2026-09-16T08:10:02.958095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005761
observed bf778958cad3b50844af74e01114bd0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.941689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005761/manifest.json
observed f77554cc1ff04c7858c04e392d730198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.922774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005761/publication.md
observed 54e2b91fa3c09022437a4c075a0c4941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.907489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005761/publication.txt
observed 78377c7600aeb2b95d0ca5377f987143...
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.