OpenTechnical

OT-2026-000015989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000015989) never changes.

Identity and time

Publication numberOT-2026-000015989 · never reused
Internal UUID01a0ae6e-0c4d-7458-92c1-4dad9b34027d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015989
StatusPUBLIC

Content hashes

Canonical texte3d5a862f0aad755f966ae8452dda663891fcd892f639bb77c68621dcf94e8c1
Markdown7f4b5fdb64567a78efdd42cd830eb93c2283b80863ddd0e54e80409656720d05
PDF
Publication pageff7b30ae3d39f682088148c91915f5ba6efa2044ee48415d4354d2afe2f0394e
Manifestf28f85d5b3ba4ec4f21530621389de26d6d27178c8a78041560553b0454a3981

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
SignatureZz/UHyeNb50BD/cbWvtUYLuyjbUsC83yx9SReH+T+fSiMgYOJFe9K+aUxVGZb2Jom0t1ab561ayJiLI7aru9CQ==
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

2026-09-17T12:05:30.339674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015989
observed ff7b30ae3d39f682088148c91915f5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.312564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015989/manifest.json
observed f28f85d5b3ba4ec4f21530621389de26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.287427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015989/publication.md
observed 7f4b5fdb64567a78efdd42cd830eb93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.268428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015989/publication.txt
observed e3d5a862f0aad755f966ae8452dda663...
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.