OpenTechnical

OT-2026-000049901

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000049901) never changes.

Identity and time

Publication numberOT-2026-000049901 · never reused
Internal UUID01a0ae81-fd76-7d07-af73-3a9e512b1a08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049901
StatusPUBLIC

Content hashes

Canonical text39491d14cae449707366cb3ac4f921e66cd2ab90b8824b387b589b99e15bda08
Markdown126bf1d894247b3acad7ff087d15ba2f4ed79337e2c48fc70663808fd9d918d4
PDF
Publication pagef4d2844d6214e7cf049d45e48067205cf915b88c84bb07cdf62b8e54b21dbcf8
Manifestbea6027673e94d34ec2d48018e6c6e5f1c97c2e703b23cf58ef0fef6d150fb4c

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
Signaturef08j/gLFKXNqp/GK00+SulnDaKr7+8fNOwSS807HjXnBb5C/E3cPBnJ8Hh4wh3mpsJiCJiY/qchaQntu3NWbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:49.285116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049901
observed f4d2844d6214e7cf049d45e48067205c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.268270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049901/manifest.json
observed bea6027673e94d34ec2d48018e6c6e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.250054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049901/publication.md
observed 126bf1d894247b3acad7ff087d15ba2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.230536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049901/publication.txt
observed 39491d14cae449707366cb3ac4f921e6...
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.