OpenTechnical

OT-2026-000057923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057923) never changes.

Identity and time

Publication numberOT-2026-000057923 · never reused
Internal UUID01a0ae88-6ed9-768d-a3ff-739fd51fdabf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057923
StatusPUBLIC

Content hashes

Canonical text1f5e23c7a6a427a5d67b7b293515aa192a10442053db0ad094fdcecb5c16a04d
Markdownb1a9be6d45deaaa9832591c021a3ffbe028a8b96d832a2bcc73722d00e0ce84e
PDF
Publication pagee601ede9f82bcb88b5aaa6634aeed3cb6881af4678838b7b3e42161342ee6ace
Manifest57a97aa68d418d4a60accd37afd380d363be5307c3609cc4afa52ccbc2228a8f

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
SignatureCO2rqLgG8RFLxU/jnGXy47ZAbMeZbiSxDCszhIPsVGsMQvwPaJM7yINh9l5KgsB6kxiLoD4JVxzAIQ0PDJupAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:32.035768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057923
observed e601ede9f82bcb88b5aaa6634aeed3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:32.017688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057923/manifest.json
observed 57a97aa68d418d4a60accd37afd380d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.998702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057923/publication.md
observed b1a9be6d45deaaa9832591c021a3ffbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.978551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057923/publication.txt
observed 1f5e23c7a6a427a5d67b7b293515aa19...
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.