OpenTechnical

OT-2026-000068292

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068292) never changes.

Identity and time

Publication numberOT-2026-000068292 · never reused
Internal UUID01a0ae90-2480-7ff1-a15d-9a57e57be10e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068292
StatusPUBLIC

Content hashes

Canonical textdc68db3483b997cfaa355dc88e9a0e13c1c7a84af29a0cb70870dabe436fcbb3
Markdown04a1714a9f5e108282676fe828a53a51ab53cc31342053048bdeec43722238c5
PDF
Publication page8c20ec5a297b89b6e0c5e77d02f9c259a9a024be32a94c071871c7a3344c273b
Manifesteeb695bf64146c1c210b675f4d0de532c6133837f186e3735138d9c9fc775b91

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
SignatureTpwFRkSAtAC5jxknBVfCQ8eyDD1kPivu0usrhJnXbhcjmCRL6TIMP3c5S22XwWJvzxAprZ+izII/zWrxrbQzCQ==
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

2026-09-17T10:29:19.558549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068292
observed 8c20ec5a297b89b6e0c5e77d02f9c259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.541214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068292/manifest.json
observed eeb695bf64146c1c210b675f4d0de532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.522449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068292/publication.md
observed 04a1714a9f5e108282676fe828a53a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.503491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068292/publication.txt
observed dc68db3483b997cfaa355dc88e9a0e13...
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.