OpenTechnical

OT-2026-000080507

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000080507) never changes.

Identity and time

Publication numberOT-2026-000080507 · never reused
Internal UUID01a0ae96-7e78-78d5-98a0-ad6748aebe6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080507
StatusPUBLIC

Content hashes

Canonical text9030be417a301460df730a80f6e31c124163d2af57d3007dc42ac5d30fa6320b
Markdown70b8d7b3f2cf16c9c196a17f75ded3db411e870b3cfe218efa1c82ae64d8ea6d
PDF
Publication page3c217dc56b73fe655c71a796ef79a1469834a4bb08f47f16752c02fdbf8e62ae
Manifestf6096e35c4dea2b33a6288cdabd5e9362b8fc75a92de368f5ec65028fe9e69b8

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
SignatureKcpzJHpFn1uQvTuPOA6/8yV+zpC5+Jsfp6D8ZIXNlHEDRMY6xUgmahrwzy8ZyeTP0vVLq+Ybrac934gNsIp4Cg==
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

2026-09-17T10:03:01.708965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080507
observed 3c217dc56b73fe655c71a796ef79a146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.690970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080507/manifest.json
observed f6096e35c4dea2b33a6288cdabd5e936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.672335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080507/publication.md
observed 70b8d7b3f2cf16c9c196a17f75ded3db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.653897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080507/publication.txt
observed 9030be417a301460df730a80f6e31c12...
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.