OpenTechnical

OT-2026-000019645

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000019645) never changes.

Identity and time

Publication numberOT-2026-000019645 · never reused
Internal UUID01a0ae6f-1fb3-700a-a099-2632703ef9bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019645
StatusPUBLIC

Content hashes

Canonical text514aace4fc08bbff348947ab9fc768a60993d14c8b2c9499013d5cc0c212f0ed
Markdown18c1b2646b680d0c5b00a432e395bfd90900d24e18aa6510fdacc49eca715fa1
PDF
Publication paged990fed0cfbabc97f4d4cff45a2e8071f21d941b51f8daa3e3f4a66f18f37e1d
Manifest26409648a0d47dd67a2c55f3147a4d085fd3077087ff39c350b3bc9487fb9dfb

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
SignatureqqBsEpLduaZ1aBeBFx/pQNTFYPHEj0wUVylOUQ13mFasb45tB1oXetbPZe3zKH3GzDnxSqeu0dZxsvPgwBQ5AA==
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

2026-09-17T11:57:42.030997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019645
observed d990fed0cfbabc97f4d4cff45a2e8071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.014867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019645/manifest.json
observed 26409648a0d47dd67a2c55f3147a4d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.995848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019645/publication.md
observed 18c1b2646b680d0c5b00a432e395bfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.978479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019645/publication.txt
observed 514aace4fc08bbff348947ab9fc768a6...
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.