OpenTechnical

OT-2026-000056538

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000056538) never changes.

Identity and time

Publication numberOT-2026-000056538 · never reused
Internal UUID01a0ae87-7af5-7730-8079-0b562cf7ba56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056538
StatusPUBLIC

Content hashes

Canonical text243cfa4db4dd7341ee31371eceb850fde848a6dcc2643d9529858b59d4183842
Markdownb3a45bfb8adcd0e780dc358cbbc340cd03ea63f3969e60b29bed4c2d79b702ee
PDF
Publication page48e40babe8fb7dec75329cae06fe16c59c6ed1f0c3c987bce121b8eb182d7c60
Manifest33bf1ac0923ee6c1d48e3d84dec458b27ffe4f1c3c5ff0d745f1c647c3453d56

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
Signaturei5G0Os/COOQ/tNOVpDzzel9Sg+7GPxGSd6Ra17fRNF51jQZh6tsbbHt+M7ooLpO6vtQVczDLM0MogJ+oIHU/DA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:52.109389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056538
observed 48e40babe8fb7dec75329cae06fe16c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.090664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056538/manifest.json
observed 33bf1ac0923ee6c1d48e3d84dec458b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.071289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056538/publication.md
observed b3a45bfb8adcd0e780dc358cbbc340cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.052347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056538/publication.txt
observed 243cfa4db4dd7341ee31371eceb850fd...
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.