OpenTechnical

OT-2026-000101576

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000101576) never changes.

Identity and time

Publication numberOT-2026-000101576 · never reused
Internal UUID01a0aea4-0e15-70c2-a20c-687e00ede42f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101576
StatusPUBLIC

Content hashes

Canonical text39350ef1dd46e77e2d1d61f734636dd828888477d18ab1959494adeac1377811
Markdown96291b8bf436e026e690f45a28d6401856cf60261690d2277882410a093b457f
PDF
Publication page0511891378f35d857922ab4b1042eb6495a0ae375ab682ea629aea1506fa5e4e
Manifestab2c92646d57ce1dc64c0a936e6d32220cbe12588de0e4a5a2db068089c3022f

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
SignatureQmTnZ5GJ+SHZci+5MR3+P+X1msmpjUQnY2FJgm8hSEBnK8YeRB0HtJkuX1FJTezJEAeEFNOXAg5ebn7267KKBQ==
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

2026-09-17T09:25:39.880367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101576
observed 0511891378f35d857922ab4b1042eb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.860325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101576/manifest.json
observed ab2c92646d57ce1dc64c0a936e6d3222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.840673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101576/publication.md
observed 96291b8bf436e026e690f45a28d64018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.817278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101576/publication.txt
observed 39350ef1dd46e77e2d1d61f734636dd8...
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.