OpenTechnical

OT-2026-000072935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072935) never changes.

Identity and time

Publication numberOT-2026-000072935 · never reused
Internal UUID01a0ae92-c815-75c6-85bd-cae52b800e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072935
StatusPUBLIC

Content hashes

Canonical text236069e58fab992d8386eba319e377c65622b7e28410f8834ed4dab7bdecbb2e
Markdown6e56fc53c59fe4edc5a71dd1becadc548d35bde471b9a0a8a797777076442261
PDF
Publication pagea9ed73405b0d031c81e018b7941726b615a6d8019a69ec73c920d3549928dde4
Manifest6e39c8eb56be45c86fdbf8d501c2966c03e0d26c91b8b44000f9ab88a625f2f9

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
Signature5Ar/UqzhsOaBhmMtCnuwLi2rOF6qb4mqN02ZmeZWCScoJGC3cKnPW5i2I9i0SouXH5r08aB7lx187v+FJrHLDg==
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

2026-09-17T10:21:51.154744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072935
observed a9ed73405b0d031c81e018b7941726b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.134766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072935/manifest.json
observed 6e39c8eb56be45c86fdbf8d501c2966c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.115883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072935/publication.md
observed 6e56fc53c59fe4edc5a71dd1becadc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.095914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072935/publication.txt
observed 236069e58fab992d8386eba319e377c6...
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.