OpenTechnical

OT-2026-000062434

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000062434) never changes.

Identity and time

Publication numberOT-2026-000062434 · never reused
Internal UUID01a0ae8c-0ac0-7bb6-b77a-1ae07193f143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062434
StatusPUBLIC

Content hashes

Canonical textd412cdef8478be8fa9f1837dd3a9663689864839f8ce32afc1bc7e0cbe47e706
Markdown563f9c742903da5479ccb4673a30d9d414125a018cf364152f46271ce9c63b18
PDF
Publication pageee4fe3e2946f1e0f3818bb09c1a9a62f1af0667ea72a68c1bc984ce23f4367e0
Manifestfa0ea43aace5c90565550dc394f440498416b9df90ff4a8c2137def61437ce9b

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
SignatureQNqv7SDaJU9zG1RO+jMva1RhHxTqCpl5RLEepLpUT+21SnLRsXzLwdu1fWpX2Ie3epilYl40wb49BMMzPCKdAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:46.335853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062434
observed ee4fe3e2946f1e0f3818bb09c1a9a62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.317208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062434/manifest.json
observed fa0ea43aace5c90565550dc394f44049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.297843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062434/publication.md
observed 563f9c742903da5479ccb4673a30d9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:46.276233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062434/publication.txt
observed d412cdef8478be8fa9f1837dd3a96636...
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.