OpenTechnical

OT-2026-000067526

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000067526) never changes.

Identity and time

Publication numberOT-2026-000067526 · never reused
Internal UUID01a0ae8f-6bda-71a0-bbe1-cfa3c5f99508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067526
StatusPUBLIC

Content hashes

Canonical texte7dffc6eebd9f80b270fe5f146b3a7079ca4d95003cd0a5cd20c7d02a94a0c3c
Markdown722a760932cb33723db3deaf21e84c608b9cbaba6e7ee1f23a773b3bfbba47d2
PDF
Publication page73c76bc10f772505af8f77c1159b0eed1f203b210aec5d031c83a1dbf282bf9b
Manifestb82c49dbc3bc8c3b0a8a9cf479f6b8227324eb6dca865ad2dad489a54cdfa06a

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
SignatureGKCT65zkRscxViMC6Cmva47MWKoDBRsn+HDmhbnwlV4HrEDWgcXcYvlAXgu09wgGg7bvM0shpcKm5FOPCu8+Dw==
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

2026-09-17T10:31:49.654038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067526
observed 73c76bc10f772505af8f77c1159b0eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.634826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067526/manifest.json
observed b82c49dbc3bc8c3b0a8a9cf479f6b822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.616277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067526/publication.md
observed 722a760932cb33723db3deaf21e84c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.598099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067526/publication.txt
observed e7dffc6eebd9f80b270fe5f146b3a707...
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.