OpenTechnical

OT-2026-000081864

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081864) never changes.

Identity and time

Publication numberOT-2026-000081864 · never reused
Internal UUID01a0ae97-0f75-7db2-8ac0-72c47cf5001b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081864
StatusPUBLIC

Content hashes

Canonical text2c56b1e1ba550f5b0d48024b6f64b28ea76ebbe496294a8558a8f0e7e5c173c7
Markdown1ba621cd6b793414f07359bb7b7475372d66ab3f296afdcc24e688cb43bba162
PDF
Publication page126ea195f86d6c118bf63e33f1e7ee2b064cfb0ae5b7ff05baaa8ccfeb4ba4c8
Manifestca5d8fef42e1fb0028f173b398c880225cfed4f5a4f63f4371246f2e5d4a6b7f

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
Signaturek5UNyu6rWl8xo9Rp6/K+bajxePjFGOIPThmcHbWZ/23YHMkVF6K/gwGlV1JcUqStajJP18A59jviID3PoDEbCQ==
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

2026-09-17T10:00:58.817809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081864
observed 126ea195f86d6c118bf63e33f1e7ee2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.801273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081864/manifest.json
observed ca5d8fef42e1fb0028f173b398c88022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.783888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081864/publication.md
observed 1ba621cd6b793414f07359bb7b747537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.767294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081864/publication.txt
observed 2c56b1e1ba550f5b0d48024b6f64b28e...
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.