OpenTechnical

OT-2026-000006522

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, vented before set down, plastic cups

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-2026-000006522) never changes.

Identity and time

Publication numberOT-2026-000006522 · never reused
Internal UUID01a0a95e-27df-7b90-b5af-4f30cfa2a481 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:35.233959Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006522
StatusPUBLIC

Content hashes

Canonical text729643c3bf5fd81bb3f2fcc02be1b491bac6aa43b97fa3dfcd3b5d1933ac4f39
Markdown83e343d860d9b7016eca01bb0c013e9e33c72e6e63168461b8e0eb35bcaae664
PDF
Publication page318ed5f723fc2f9f800880c19218a37b5a69a9e7ef37669e3ac0542788a4d540
Manifest50e073f137bd5dcd3b728381473e146f7abf7160c793d3cd0ab386d8166916d8

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
SignatureLurzeunMKJDcUvXPP8DRCfClnapONBWheva2Fjy+laqHKnVNl3CpTZoURzVoCKb4j3Yi7oN2yTe3xcYGQlu2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:07.640940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006522
observed 318ed5f723fc2f9f800880c19218a37b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.624678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006522/manifest.json
observed 50e073f137bd5dcd3b728381473e146f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.500669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006522/publication.md
observed 83e343d860d9b7016eca01bb0c013e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.485555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006522/publication.txt
observed 729643c3bf5fd81bb3f2fcc02be1b491...
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.