OpenTechnical

OT-2026-000031259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000031259) never changes.

Identity and time

Publication numberOT-2026-000031259 · never reused
Internal UUID01a0ae74-87ac-7796-b24a-7d63af9bea1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031259
StatusPUBLIC

Content hashes

Canonical text373efe3cbdce2dcfabfffd560625cca5ae453a6a97fe12b331c2841c8ccbb564
Markdown1460c94bc9f5ac7230131f7a7b21197ac690c674112f423e9d295dbad54df647
PDF
Publication page0fb9a995dac0d30a399fd1a5a604896dc7a395b4fdcfeef507c0470df98b8bb3
Manifest8ead85862aeafa50209f5b669cfadb6786acb8e39248ac0eb662420c167fe4d9

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
Signaturet4lzy87hAAvfazyXgqPjrCvt5zyL+Cy//twwA8MeX7SYCv+frCPpdTWnGEt4EvMemGwSt1r2ITETgZLSKCijCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:50.201806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031259
observed 0fb9a995dac0d30a399fd1a5a604896d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.184110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031259/manifest.json
observed 8ead85862aeafa50209f5b669cfadb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.166592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031259/publication.md
observed 1460c94bc9f5ac7230131f7a7b21197a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.150418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031259/publication.txt
observed 373efe3cbdce2dcfabfffd560625cca5...
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.