OpenTechnical

OT-2026-000058493

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000058493) never changes.

Identity and time

Publication numberOT-2026-000058493 · never reused
Internal UUID01a0ae88-f39b-7c10-a887-b50b20b11fdb · 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-2026-000058493
StatusPUBLIC

Content hashes

Canonical text42e31f5a939c6b62d006eaff60f461c39c7d67fa94abffd6fd5ca785f839584b
Markdown78cbb6b038de4bb55f0dd3274eedb56942725ce70584da6c83c3757cbe61faa1
PDF
Publication page0b3879a792fc0946b03abd7da480eb1cba8ea5c0306cf098356d6dc2be9bf719
Manifest99d08c7f287b5bd51db3db179810a1b5838c81d8bf64ecaae173441406342d0b

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
SignatureDRan0+CTn1xaJO0kSrkR/9yCz1EfmUu3WdKg4C8dRlBWtcuWyjutmtuYsRcPra+OYBl9ChPckoj3w9MXNLlnAA==
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

2026-09-17T10:46:57.072347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058493
observed 0b3879a792fc0946b03abd7da480eb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.055579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058493/manifest.json
observed 99d08c7f287b5bd51db3db179810a1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.036632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058493/publication.md
observed 78cbb6b038de4bb55f0dd3274eedb569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.016302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058493/publication.txt
observed 42e31f5a939c6b62d006eaff60f461c3...
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.