OpenTechnical

OT-2026-000101280

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101280) never changes.

Identity and time

Publication numberOT-2026-000101280 · never reused
Internal UUID01a0aea3-c379-7fe2-8723-ed651eafa621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101280
StatusPUBLIC

Content hashes

Canonical textc886ef7b5df20aad11ea290c8557c4eaf43d78fdd28494c1d065f02adebf88a1
Markdown8073fdb7d11bbee9bb4bde27849a5b63e79f1d37fc825a2ac49ef6c99c4eb430
PDF
Publication pagea1e0c4223ce10f5afdd80aafae5cb73c05d7fd1480d7ff1439bccb5832b10b0d
Manifest0f49e7ce63e162bcbdd43c121c32354afe7f72d5fe2488996a850f81921e9f71

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
SignatureRECAyVl3dSHEXkQz7BYsvDjNLKgK/ZxTQDmLC1C6j/XsLCT1X2vOw7bx11NVg8LV4lcHOU1T4jYiOSUfQDE2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:57.606608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101280
observed a1e0c4223ce10f5afdd80aafae5cb73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.588792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101280/manifest.json
observed 0f49e7ce63e162bcbdd43c121c32354a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.569940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101280/publication.md
observed 8073fdb7d11bbee9bb4bde27849a5b63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.552729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101280/publication.txt
observed c886ef7b5df20aad11ea290c8557c4ea...
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.