OpenTechnical

OT-2026-000032610

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000032610) never changes.

Identity and time

Publication numberOT-2026-000032610 · never reused
Internal UUID01a0ae75-1070-7f6b-a5fa-17c226e2af3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032610
StatusPUBLIC

Content hashes

Canonical textf09a074fd7449b27dba9588a212912c8318f58666f419df629e3ece5d612cb1a
Markdownb4356c1a2bdf772b473d7268ea8f2791b92c6f1f64480e576da1148ea79fcadc
PDF
Publication page5e3e6d53c5eb294d65b60c93f5cacd49536de68ac0f9c2e0b60aa8afbb25fb11
Manifest3dc3ad742e0546bd2a783c10c28ec169670aa17cb45b02efda07cf45a796aad8

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
SignatureI9zS5gBJ/42ud3DN501+XTAcpo7Yw+3ZrLaUEY2STASX+A9GRM0ZSNbA6FwAL/XjePYKRKa2TKPO2OQDPBXdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:11.622940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032610
observed 5e3e6d53c5eb294d65b60c93f5cacd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.606675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032610/manifest.json
observed 3dc3ad742e0546bd2a783c10c28ec169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.588930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032610/publication.md
observed b4356c1a2bdf772b473d7268ea8f2791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.571702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032610/publication.txt
observed f09a074fd7449b27dba9588a212912c8...
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.