OpenTechnical

OT-2026-000027677

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027677) never changes.

Identity and time

Publication numberOT-2026-000027677 · never reused
Internal UUID01a0ae72-699a-7fbd-990d-4686d9bccad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027677
StatusPUBLIC

Content hashes

Canonical text254523e2cb4d9c890fdc8f566c86b57cfdf0e3ce4b6c710beccaec25299b023e
Markdown88fb2e84adb2ae19898424b1e1c21b9c1f38a406d3ec0b19318fa4f2dcb0767a
PDF
Publication page136fa2a0c4a7ccb5dd048fb05ddf54a028178b8bd1127691cddfb30cee5aa1da
Manifest832482623319229640c61144e5e945f13ea4f05bfd73166828a9cca38295c98e

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
Signaturear80Puh9VYzfcmK6990SZ9bTud9/4tl3obZHnXjE8Vnk2Z5o7q3CQ1a+QMgLITQXrH+CqVYOMl1cGGaGcob0Bw==
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

2026-09-17T11:43:12.900959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027677
observed 136fa2a0c4a7ccb5dd048fb05ddf54a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.882070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027677/manifest.json
observed 832482623319229640c61144e5e945f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.864534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027677/publication.md
observed 88fb2e84adb2ae19898424b1e1c21b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.847236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027677/publication.txt
observed 254523e2cb4d9c890fdc8f566c86b57c...
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.