OpenTechnical

OT-2026-000045256

Publication integrity record

Three bellows cup 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-2026-000045256) never changes.

Identity and time

Publication numberOT-2026-000045256 · never reused
Internal UUID01a0ae7c-f76a-76c4-81e6-d574124ad60a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045256
StatusPUBLIC

Content hashes

Canonical text4fcd5ceed11a49d3e2b6528dc6e0a7c9d59f4defc0ead7dc28c940bd386136e1
Markdowndf67c5d150b436438d0096037d131b021799ba40887db367664e3905101abce9
PDF
Publication page9061f2891afe2979f90077d73861c411600b528959a92859f252d34e2a12351e
Manifestb8314240ce5f67e6785bad37e5fb8e67fea6b3155c040554eecd409867b15c43

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
SignatureOHILgyo3yaHI8wYoTzKfiIT1NtoKOZhYx6hwSfW54Za+02svq5gMK7CxpAH/BQe046fRzjXnWS7b7bxf2lRDAg==
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

2026-09-17T11:10:27.728645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045256
observed 9061f2891afe2979f90077d73861c411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.708232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045256/manifest.json
observed b8314240ce5f67e6785bad37e5fb8e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.690027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045256/publication.md
observed df67c5d150b436438d0096037d131b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.672183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045256/publication.txt
observed 4fcd5ceed11a49d3e2b6528dc6e0a7c9...
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.