OpenTechnical

OT-2026-000070155

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070155) never changes.

Identity and time

Publication numberOT-2026-000070155 · never reused
Internal UUID01a0ae91-1862-7655-8132-cd9e1b7ec3f1 · 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-2026-000070155
StatusPUBLIC

Content hashes

Canonical text9b99e8a7f1d1492bcbc64e657d12d378ff875d3a3602d53e9582a1e2a7fc7677
Markdown35980d58cd21f08d35867a7c8084c80b5a5899f77e3cdcaa9af2acedb408aabf
PDF
Publication page4693f324c6860d2dc79c5c562ff8326a813543dce1f60bc971aceb83dccef92a
Manifest7fa38632617f4ab772525706a41335ea2c5dee1cd856f5a02f038aadec4f73fe

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
SignatureYR0Wk6JKR924Ta/cLOYG5myHavXo+1OVZgn3GlLp/EcK6Kc06Fz8qAsG6UGLRL4MI8IgdjH3TSMs/6Fa6mqZBw==
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

2026-09-17T10:27:12.167440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070155
observed 4693f324c6860d2dc79c5c562ff8326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.150342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070155/manifest.json
observed 7fa38632617f4ab772525706a41335ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.132976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070155/publication.md
observed 35980d58cd21f08d35867a7c8084c80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:12.114553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070155/publication.txt
observed 9b99e8a7f1d1492bcbc64e657d12d378...
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.