OpenTechnical

OT-2026-000068268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068268) never changes.

Identity and time

Publication numberOT-2026-000068268 · never reused
Internal UUID01a0ae90-247f-74aa-8053-10e9b9b7772c · 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-2026-000068268
StatusPUBLIC

Content hashes

Canonical textd2bfa34c1c0e5b75b631d78cc85f2e73aa5d63c90bdb24dc7d0ab74c9458ab07
Markdownca29d9bbe487596e5d39b5e40ea16feaed1aa52e2bf2dca8d37c0593d6463af7
PDF
Publication page383149b0ac70bab4fcd419ba64d9f9257bea59e7b9d00077a0313629900f275f
Manifest06646f5f0c182540485eca76066a1d4ae7c794e090d9275cfd3c75991dc7ef07

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
SignaturepqWq++rsPkhXDKhi3kP1KiFttlKjVnrUzp/2Mu/U1LTZB8lIEpX2FZnQ/j0Y+1o17k2isb+C/Yr8BxpzhL1XAg==
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

2026-09-17T10:29:17.640827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068268
observed 383149b0ac70bab4fcd419ba64d9f925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.620011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068268/manifest.json
observed 06646f5f0c182540485eca76066a1d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.598847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068268/publication.md
observed ca29d9bbe487596e5d39b5e40ea16fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.581447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068268/publication.txt
observed d2bfa34c1c0e5b75b631d78cc85f2e73...
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.