OpenTechnical

OT-2026-000089596

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000089596) never changes.

Identity and time

Publication numberOT-2026-000089596 · never reused
Internal UUID01a0ae9c-1a21-79fb-8cb0-f73ba95912fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089596
StatusPUBLIC

Content hashes

Canonical textf58ca99cddb16a94d8091fe4a735276bcb0f44a9a89a6cdf9b66cb98aa715df4
Markdown5ffc299f8c294fa5c9678f13abd1e4a296e43795af2b786ef24ffd35d3cd3a4b
PDF
Publication page781c0c50539e31529db03d56c2b78aa5c393ca6da9557d683e6f10a6cb78001e
Manifesta13a828f6d528e92479fcac59cffbf816343475feedd485b83196047a421d03e

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
Signaturej6zotI2gHr0U/Ew9B29ahfU1bTZguqovSq9Hwfi7bKefWjxz5wliVOmo/oMvOsqf54Vv4+25dQddEvS/tRhTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:34.428842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089596
observed 781c0c50539e31529db03d56c2b78aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.412279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089596/manifest.json
observed a13a828f6d528e92479fcac59cffbf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.394560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089596/publication.md
observed 5ffc299f8c294fa5c9678f13abd1e4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:34.377843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089596/publication.txt
observed f58ca99cddb16a94d8091fe4a735276b...
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.