OpenTechnical

OT-2026-000058322

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000058322) never changes.

Identity and time

Publication numberOT-2026-000058322 · never reused
Internal UUID01a0ae88-f398-7d6c-a362-7b6c0346a160 · 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-2026-000058322
StatusPUBLIC

Content hashes

Canonical text09f9034bef1b0470e83eb380a2f04e35a195880242a4ddbaa7e5b29e0aba00cf
Markdown27a8a4d74b1d4f26783ff2396925e21d4a221884e281f037f8dc4ef7b26d34e4
PDF
Publication page55d882dea10d5cbb7e9ffe547bf629e5e29fbd283a4af3d542f7a790f5cc32e4
Manifestbc30137745afed02607118283e7fc4a491789da3e498c07271f6dba4f1944e09

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
SignatureZfso5kGAUHyvwpBmy6jtHG+ignlJeVp5TKXrS22A8/HnwL/tUShk8JcGo8jzE3ZjczmPuBz8AXvLCEVyz/UOBQ==
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

2026-09-17T10:46:43.714578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058322
observed 55d882dea10d5cbb7e9ffe547bf629e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.697243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058322/manifest.json
observed bc30137745afed02607118283e7fc4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.681472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058322/publication.md
observed 27a8a4d74b1d4f26783ff2396925e21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.664471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058322/publication.txt
observed 09f9034bef1b0470e83eb380a2f04e35...
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.