OpenTechnical

OT-2026-000058497

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-2026-000058497) never changes.

Identity and time

Publication numberOT-2026-000058497 · never reused
Internal UUID01a0ae88-f39b-741a-ae12-bfba0ed73e52 · 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-2026-000058497
StatusPUBLIC

Content hashes

Canonical text360de1872002a2c558296fc5db27fa922d454edec24b3d35bb2209823c3921d4
Markdownc9e4ed6567adcbdb99e121e9ecc59339f37d53731b1fb631476a26e59f675519
PDF
Publication page94bbf0f65501331ac1e306dca25e72b517efe1ac39acd0b64ad5226ab38028fb
Manifest708b46a82b29c835dbd7ce0a64cb7bbc126bbe5b6f7355d74314e50ed22afefd

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
SignatureJ5+skOKaR9o2IC7VgNLtvp+yKSTuutdQZljMUMGBh9/AVqusUAkEqOlc17WHi0Xa56pW9yR9v9m97OqJJakJCQ==
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

2026-09-17T10:46:53.579095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058497
observed 94bbf0f65501331ac1e306dca25e72b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.561859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058497/manifest.json
observed 708b46a82b29c835dbd7ce0a64cb7bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.545466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058497/publication.md
observed c9e4ed6567adcbdb99e121e9ecc59339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.526088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058497/publication.txt
observed 360de1872002a2c558296fc5db27fa92...
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.