OpenTechnical

OT-2026-000102005

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102005) never changes.

Identity and time

Publication numberOT-2026-000102005 · never reused
Internal UUID01a0aea4-50f1-72f3-9c71-e984f29c2cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102005
StatusPUBLIC

Content hashes

Canonical text6f419356ff543dc56cddd20b7dcf3ab2366413dfa7cef746a0029707e56e0e8c
Markdownfa6ee59616e90cfcd21b94d72ebf57c3fc271bddfb5c2d944283c742b4981451
PDF
Publication pageab449877237e51594894a19c0712be651ed2ebc7da73802799e41987ab73eeb3
Manifest5a1b7de7cf8ffe59308c2b50deccde10ab37fab66b8e0249fb0108fc1eb02abf

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
SignaturealNDjalFd0miRgH6hRnzl8+yzaSs5bCjvDqRvSWZaPc94yVZe+11pkNwevRP7os7laFCPjpTFRdghOxIUrr9Cg==
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

2026-09-17T09:25:07.992860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102005
observed ab449877237e51594894a19c0712be65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.976439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102005/manifest.json
observed 5a1b7de7cf8ffe59308c2b50deccde10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.955327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102005/publication.md
observed fa6ee59616e90cfcd21b94d72ebf57c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.936439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102005/publication.txt
observed 6f419356ff543dc56cddd20b7dcf3ab2...
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.