OpenTechnical

OT-2026-000045743

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045743) never changes.

Identity and time

Publication numberOT-2026-000045743 · never reused
Internal UUID01a0ae7d-8f04-70c6-a09f-64a470449a14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045743
StatusPUBLIC

Content hashes

Canonical textcf8498315d5cbb560af004297dc1aecc77364d30c83305f929d0432136d826c1
Markdown356f6f51970af6856e939637b6dc91cf0f8cda361d8ca6fb3651d2dd759e218a
PDF
Publication page89710c1a0fe202557b204f8ec79a85e0fdc3c78eeaef93be2e8bdff1e679d88e
Manifestf9ac5d7298a131fcbd556ec1317fcb90cfbecd23fc032497917453ec4a2ed02b

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
SignatureSOJOiCz0sdJCZcxPIldmnMxSHX4i13Kn2jVJ4cXEuyBTiRaxJZWUWNVSi7ApHV0jpY6cxoi3EnUD5m7+UOxnBw==
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

2026-09-17T11:09:33.792891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045743
observed 89710c1a0fe202557b204f8ec79a85e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.773007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045743/manifest.json
observed f9ac5d7298a131fcbd556ec1317fcb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.753501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045743/publication.md
observed 356f6f51970af6856e939637b6dc91cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.734172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045743/publication.txt
observed cf8498315d5cbb560af004297dc1aecc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent