OpenTechnical

OT-2026-000073242

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073242) never changes.

Identity and time

Publication numberOT-2026-000073242 · never reused
Internal UUID01a0ae92-efb6-7267-ba8f-45798e3c0e67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073242
StatusPUBLIC

Content hashes

Canonical text0ee5c2b5e1de35a1ef89bfafa0b927feed282a85fbf2d820aaf7b79513468aa0
Markdown2529511af4f4aed8cf94c995d20b550741653427ccf661fe83cf16623fd1221c
PDF
Publication page8fcae04591fd28baeb7c045570bf3288902c169a2d47100bf9ee335a29beedcb
Manifest811fe47be4c091363bbf2974d5b19a4caac9d402d8213246a52fe86cf398df0d

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
SignatureMwvWmLCd5hwDMKkA4MT+vsxcj6XrDydehpdyj/yF44RF1XUIez3RVYs/HCAAb+7nnWFJV1e387K1olDbtVJUBA==
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

2026-09-17T10:21:13.939731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073242
observed 8fcae04591fd28baeb7c045570bf3288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.918920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073242/manifest.json
observed 811fe47be4c091363bbf2974d5b19a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.898132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073242/publication.md
observed 2529511af4f4aed8cf94c995d20b5507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.873595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073242/publication.txt
observed 0ee5c2b5e1de35a1ef89bfafa0b927fe...
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.