OpenTechnical

OT-2026-000074260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074260) never changes.

Identity and time

Publication numberOT-2026-000074260 · never reused
Internal UUID01a0ae93-7178-7319-880a-f4a0bf588908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074260
StatusPUBLIC

Content hashes

Canonical text1542dc32b3df46f392a8df8ffbce67b117b4fe47905c08009973a5e06843e429
Markdownb15904d0b68a95ecae60516bc3b082c105dcbd2a6f86cedf4d7ff15e06c10ea8
PDF
Publication pageaf9ab39f26213fd1a7ada484b8ae17e82d9713ed143278801690e6ca08bc1da1
Manifestc1656357e14012b7c53aac9d23448cf67506eb65ab1ff8b236b29ed4a47a7927

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
SignatureewzLg4IGm8/snYe1JevljPtFr7sMx8caHjIAYZ1r/2kbZ8+NC+Uzg7BcmCBlRJ0hZkXYLJrXLrLfPj+zScASBQ==
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

2026-09-17T10:19:09.670626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074260
observed af9ab39f26213fd1a7ada484b8ae17e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.652156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074260/manifest.json
observed c1656357e14012b7c53aac9d23448cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.632481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074260/publication.md
observed b15904d0b68a95ecae60516bc3b082c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:09.614854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074260/publication.txt
observed 1542dc32b3df46f392a8df8ffbce67b1...
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.