OpenTechnical

OT-2026-000102620

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000102620) never changes.

Identity and time

Publication numberOT-2026-000102620 · never reused
Internal UUID01a0aea4-858b-752d-9e65-3292814f9549 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102620
StatusPUBLIC

Content hashes

Canonical text2e67d17b91cadf042233d7284c571ef9f8d1ac7973a11856da2428e2bb3f36b3
Markdowncfa17447112c9328f2d643b900735bee40e6447b8b8fe521762b00dc55b8ab0a
PDF
Publication pageb97309df1b08d96baf4da6e941e46ae4d358ea1720c2570cc457a4f49671f377
Manifest6448249fa3b495181aac231d06981c06cad093fb0d39eff5574dab195c877433

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
SignatureR10u/sXukgREHI8nTPwbSQAfatP0ufwEjT7w3MMY2owBG1UL3LSYCum+4hUGsD43QmB0M+A4CQxRgEtJWa54Bg==
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

2026-09-17T09:24:06.704165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102620
observed b97309df1b08d96baf4da6e941e46ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.686223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102620/manifest.json
observed 6448249fa3b495181aac231d06981c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.668361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102620/publication.md
observed cfa17447112c9328f2d643b900735bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:06.651342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102620/publication.txt
observed 2e67d17b91cadf042233d7284c571ef9...
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.