OpenTechnical

OT-2026-000058330

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000058330) never changes.

Identity and time

Publication numberOT-2026-000058330 · never reused
Internal UUID01a0ae88-f398-7212-b5a1-ffc1806075b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058330
StatusPUBLIC

Content hashes

Canonical text79fe79197c61ed1deb2c623bd600c2ddd12d50d43bdd4cff7829b73de14897bf
Markdown33234c0872a95b3aba8f4a33f22aac1ee5408a77e79f932aeafce0ec4e8c2c1e
PDF
Publication pagec35e068c7abcf0f1a55b0277aad1733ffbedec9de29dc063f2a229302185f632
Manifest437d775235c10a9d54865528fb0e1121edb1f516a99b6b1c8f0ff0d633c3d628

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
SignatureS7eZVW5Wud5OOwyZB00ww3J93xc+4wohniBQ7ysWFB8orv5O/4FEgRHPJ7d5qPQwZxhxTsEbSMLDOEu4bNs9CQ==
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...

Independent retrieval

2026-09-17T10:46:44.326025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058330
observed c35e068c7abcf0f1a55b0277aad1733f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.308030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058330/manifest.json
observed 437d775235c10a9d54865528fb0e1121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.290593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058330/publication.md
observed 33234c0872a95b3aba8f4a33f22aac1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.273448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058330/publication.txt
observed 79fe79197c61ed1deb2c623bd600c2dd...
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.