OpenTechnical

OT-2026-000072594

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000072594) never changes.

Identity and time

Publication numberOT-2026-000072594 · never reused
Internal UUID01a0ae92-89d9-7e7b-823d-21e866e1d572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072594
StatusPUBLIC

Content hashes

Canonical text8c1f2f35674f07729d5c40992302c6044b26fac5be322b8d6f0ea684e3958cd4
Markdownc32f3cc744cbbf5aa4b26a3563b5c4e032e8823179a5107b5b1355dde1d37763
PDF
Publication pageb5518d93c2bddb8932a3f07254fae62df051a2c46fe939a16f315f2cdf09db33
Manifest719ba8b3c073de82b1086d6a9dbb65e4fde24cc03018997d41d67867028a328a

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
SignatureVywjg9LD9D8aGk/YDAuopUiuQxqRdZvg8dQm0/jlmgQn2mdD9Lgj/9J7qCkz+BEG4Rsrj3iJKXPw8RJKIV69Bw==
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

2026-09-17T10:22:26.337786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072594
observed b5518d93c2bddb8932a3f07254fae62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.320611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072594/manifest.json
observed 719ba8b3c073de82b1086d6a9dbb65e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.302065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072594/publication.md
observed c32f3cc744cbbf5aa4b26a3563b5c4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.284091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072594/publication.txt
observed 8c1f2f35674f07729d5c40992302c604...
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.