OpenTechnical

OT-2026-000017727

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000017727) never changes.

Identity and time

Publication numberOT-2026-000017727 · never reused
Internal UUID01a0ae6e-96fa-762e-9ad5-ae97e5a73267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017727
StatusPUBLIC

Content hashes

Canonical textf41297a5b6b95ab9423796fe85acfbe59d1866a37736b6fb0568138d2241f947
Markdownd8fadf3be15f6943f9447d198476f1e703349c6de28c7ce0225579976fe25bbc
PDF
Publication page9e1e73937479cb66e207a3a7cb62a845d71c59d766855e0ddbba246d0bc0cbd3
Manifest3fdcf9bfd51525ced10faab9adb204bf99267e29e78f1b85245efa07baa768c9

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
SignatureRoVj8f/Y25Ah4gtfRt/ITB2BnxPLQJ1ctBOnTuSrpusWx1Eia048wIUs8e4u9arCEXXuhjo5H55K29PQFo/UBA==
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

2026-09-17T12:01:40.659512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017727
observed 9e1e73937479cb66e207a3a7cb62a845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.643783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017727/manifest.json
observed 3fdcf9bfd51525ced10faab9adb204bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.627704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017727/publication.md
observed d8fadf3be15f6943f9447d198476f1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.612283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017727/publication.txt
observed f41297a5b6b95ab9423796fe85acfbe5...
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.