OpenTechnical

OT-2026-000057991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000057991) never changes.

Identity and time

Publication numberOT-2026-000057991 · never reused
Internal UUID01a0ae88-6ed9-74a0-8125-12e01c24be99 · 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-2026-000057991
StatusPUBLIC

Content hashes

Canonical text3be6df2b9a64fe3baaf50f1f78c7733a8b5bceea6174f0bb2ca4257bc0b0472b
Markdown0705b6363fa7d22c580b5bba965b5dedc2a80aac038c44790525173a60bab6a5
PDF
Publication page5e1e16d14e9001a1cffb2953fc90cd285177b5e1953422115760704e30c639c9
Manifestbf2b600baaeb6772a6770caf1f79eeb48444646bff57cce23755342af012be8a

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
SignatureR6gHMNSNAP8MkYzineyV1xFZq48lOYgr5HJXswYyCQwqdvo40g4VQe3lFZ5t2WaeUhdaVo77S7lemhGfx2psDA==
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

2026-09-17T10:47:37.230680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057991
observed 5e1e16d14e9001a1cffb2953fc90cd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.210455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057991/manifest.json
observed bf2b600baaeb6772a6770caf1f79eeb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.193765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057991/publication.md
observed 0705b6363fa7d22c580b5bba965b5ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.174956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057991/publication.txt
observed 3be6df2b9a64fe3baaf50f1f78c7733a...
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.