OpenTechnical

OT-2026-000073520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073520) never changes.

Identity and time

Publication numberOT-2026-000073520 · never reused
Internal UUID01a0ae92-efb9-76c8-8993-42f634165985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073520
StatusPUBLIC

Content hashes

Canonical textd49ed21f44a6438065334bcd4a1b46115504f75ed85e3b20732a55497fceeb71
Markdown35fea631376108b5f5e1486e3935cadae39b79df11efb24ad8ede4f0bace1bbe
PDF
Publication paged2d5e0c2c32b330fdd5489141710c348fd042e723233f113ba757698ef83b410
Manifest97dd15bcdaa78f4a62f85332568a917688aedc6bcb6cc9920d5c68ce6913d6db

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
SignaturexM3eMb7/cg85ZF5TSAXI7ZxMTiFEbnvJQrRCzP1T7tJAXYPo/pHdDs48m5Yi6nnKzthzbnZ1GYdXzcBuHmOrCQ==
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

2026-09-17T10:21:06.338461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073520
observed d2d5e0c2c32b330fdd5489141710c348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.321127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073520/manifest.json
observed 97dd15bcdaa78f4a62f85332568a9176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.304149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073520/publication.md
observed 35fea631376108b5f5e1486e3935cada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.283462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073520/publication.txt
observed d49ed21f44a6438065334bcd4a1b4611...
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.