OpenTechnical

OT-2026-000069945

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069945) never changes.

Identity and time

Publication numberOT-2026-000069945 · never reused
Internal UUID01a0ae91-1860-75b8-85df-193deeba5e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069945
StatusPUBLIC

Content hashes

Canonical textc5aff4bfdf1af958d9218994b3c21d3b5126a0e07361f6ae55a2055b443097f2
Markdown3ac0606d1858ce1d9b1e3aa7e9527b0a0b1eb6e4cffac9f5f0146f4e943096ed
PDF
Publication paged3b3a1ef60f234a043cc2c4803fa5f2026f29043a5e59d5a08c2ceda95327dbc
Manifest3707cb7f1af4293161f7687e99e4bb7f65f1bfa05622c0162a045ebb2ef060e1

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
SignatureuZ7qbe/EJT3MwQYTdBWDXcMDp1ayQqVQriXItI6edg7CZSXcuaTy2MUVgMjy/jLKAlKovh1XbdQmmCY2g+THBw==
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

2026-09-17T10:26:53.101380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069945
observed d3b3a1ef60f234a043cc2c4803fa5f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.083332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069945/manifest.json
observed 3707cb7f1af4293161f7687e99e4bb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.045406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069945/publication.md
observed 3ac0606d1858ce1d9b1e3aa7e9527b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.024815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069945/publication.txt
observed c5aff4bfdf1af958d9218994b3c21d3b...
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.