OpenTechnical

OT-2026-000058502

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000058502) never changes.

Identity and time

Publication numberOT-2026-000058502 · never reused
Internal UUID01a0ae88-f39b-7427-8aa0-4d6d74f88272 · 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-2026-000058502
StatusPUBLIC

Content hashes

Canonical text6c442276ddb1071c36c9e02c8172eb84f47be5906b97e1f80ebd33a10df82b3a
Markdown698d6396a3446581fca6b301f5aca31d7f3a816c8debfc06f884235ab0080661
PDF
Publication pagef6dd4f9a28a7f1b5fa7d28667ae857e2ce4e23b746b2bbe34e2b40d9461e9d7b
Manifest85def89b7babc0c85de11986acc67ca31f4eec866abdf401b1b3f2320303c1d9

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
Signaturedi22ckM7EKKCc/zc7bemcQTZlbHbniMKSHuXU8txMpFpVvmtrtHiqjX9D9U6Yp1ya5w5Ouk3HNNa/XOgsAOdBg==
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

2026-09-17T10:46:57.582060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058502
observed f6dd4f9a28a7f1b5fa7d28667ae857e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.563740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058502/manifest.json
observed 85def89b7babc0c85de11986acc67ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.544269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058502/publication.md
observed 698d6396a3446581fca6b301f5aca31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.527766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058502/publication.txt
observed 6c442276ddb1071c36c9e02c8172eb84...
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.