OpenTechnical

OT-2026-000073384

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073384) never changes.

Identity and time

Publication numberOT-2026-000073384 · never reused
Internal UUID01a0ae92-efb8-7aa3-a5b7-3a58b3c7b4e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073384
StatusPUBLIC

Content hashes

Canonical text40c7bb987a75bfe411717ae5a4b1ffb2cde0de3517564621f51b34935f4691c4
Markdown51dba5af79fe2c0bc224c64c775a0be03118138f8b7e8c52b31e849318c8f23d
PDF
Publication paged934d687ac5cfe6ef603f481f151b87490e7f959caa2441c79731eedabaf27f1
Manifest0149a63158f7fdf2a8f4f51ad0f2e748898c6af4123c1a86def64f3380379e85

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
SignatureB0z6EKyQUu1WLSjeNO764DgS3exbcSYujpwIlIR+M3YoRmGwFhD48utv5MRc1YqL9u0MWMKv4TkFpiKvI0siAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:25.551597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073384
observed d934d687ac5cfe6ef603f481f151b874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.534369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073384/manifest.json
observed 0149a63158f7fdf2a8f4f51ad0f2e748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.515319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073384/publication.md
observed 51dba5af79fe2c0bc224c64c775a0be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.496509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073384/publication.txt
observed 40c7bb987a75bfe411717ae5a4b1ffb2...
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.