OpenTechnical

OT-2026-000087439

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087439) never changes.

Identity and time

Publication numberOT-2026-000087439 · never reused
Internal UUID01a0ae9a-cd50-775a-a986-787ad31d7c9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087439
StatusPUBLIC

Content hashes

Canonical text3a66dc870b87cb45f6a7db3fbda0d05b32a8b705bdac24dc2ca835b44a98d8b1
Markdown3e2f17d10386cda93df620e6eb8f71339b660860a4b5e2e6252e57e882b61d4e
PDF
Publication pageff147be041a95e17e0fc90ade7c09388df479264f1755020f830c7bbe6501c49
Manifeste244635f42f06fba7d206746389e6c728686374316fedda0489f05eba2553ae6

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
SignatureIikmc2Ym1jpf94cM7JHRr8V+cvfX+HWS7Z2W0iMnSQpC1JcUguLrObTQO2lO5EX+thhN8L6jsbOEvkBhWFLRAg==
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

2026-09-17T09:50:45.737956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087439
observed ff147be041a95e17e0fc90ade7c09388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.720494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087439/manifest.json
observed e244635f42f06fba7d206746389e6c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.704498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087439/publication.md
observed 3e2f17d10386cda93df620e6eb8f7133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.687946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087439/publication.txt
observed 3a66dc870b87cb45f6a7db3fbda0d05b...
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.