OpenTechnical

OT-2026-000070397

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000070397) never changes.

Identity and time

Publication numberOT-2026-000070397 · never reused
Internal UUID01a0ae91-545f-7207-bd45-b464053fb219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070397
StatusPUBLIC

Content hashes

Canonical text2c77e927b7d7afb13707145b12048d47938d114533be0814ab6434c52c118deb
Markdowna2f5bd16ffa3e5669a5f39e44225091fca6e07bae40a729e5f9e1af415140717
PDF
Publication pagea55eee26e8cc2d1ebfabb125c9989fa5e3ff319b029b959409443eded10be81c
Manifestcddca038a041a94317eff14ac405d84671fcc1a61375984ad29d1b27caec4684

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
Signature5sqeS7V0GApLW/3Vx5Ta0oLepoHgWRLo9GWLJnWKZ/1scaM/jV9cLB8RymGPc88WLudjdNLgudqJoqNcxS9GDg==
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

2026-09-17T10:26:12.176490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070397
observed a55eee26e8cc2d1ebfabb125c9989fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.159384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070397/manifest.json
observed cddca038a041a94317eff14ac405d846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.141689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070397/publication.md
observed a2f5bd16ffa3e5669a5f39e44225091f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.122643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070397/publication.txt
observed 2c77e927b7d7afb13707145b12048d47...
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.