OpenTechnical

OT-2026-000039112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000039112) never changes.

Identity and time

Publication numberOT-2026-000039112 · never reused
Internal UUID01a0ae78-9673-7759-b330-cf797f76b435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039112
StatusPUBLIC

Content hashes

Canonical textb356764f379abf7864728b7298a4f9b38d15fae5a68e588897058ab0ef9ba1a1
Markdownb50c66682e486327473c02aba4a22473f88e0ec7bd2c674191b4ac3c4b12a0d8
PDF
Publication pagecdc52ffefb56d979e52881b8538479d45717dcb8880f3940ee60b28ef1f5d1a5
Manifest2f79d5b2249bb6cf1bab8221ba39b7d1342c54e5862ceed4f6efd69dca5f7674

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
Signatureos5VcltvjXZxbJ72GpxdL+jAXLuTIseG56C2bKftslbXI5FAtUmF/br/NLn1Bvhpt7I7mkLGrSF8zMY1P/pmAA==
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

2026-09-17T11:20:36.284035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039112
observed cdc52ffefb56d979e52881b8538479d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.265386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039112/manifest.json
observed 2f79d5b2249bb6cf1bab8221ba39b7d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.246972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039112/publication.md
observed b50c66682e486327473c02aba4a22473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:36.228080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039112/publication.txt
observed b356764f379abf7864728b7298a4f9b3...
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.