OpenTechnical

OT-2026-000086783

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000086783) never changes.

Identity and time

Publication numberOT-2026-000086783 · never reused
Internal UUID01a0ae9a-80a4-7ed9-93c9-818cefdce01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086783
StatusPUBLIC

Content hashes

Canonical texta20ff3670386ee818006abe397cec029a3d77b5092a43f336e59c3feb23c6a0d
Markdown7d510a2d30fb9cff97fb2d848aee81839658835d306e7fb39f9b8134fa5de15e
PDF
Publication pagea64408f9108b297d7c3c0e194eb1d1922bb4e24092189a19d843d682a4b0ec9b
Manifest593c0b547a59bcd006c3f2fa9dd87894938d290d6c3d733b519b7cc57b5de9b1

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
SignatureKl8c3VGX1MlrDPNpNeOgdlH02NAW4n6WEhsYoUjSm2jg/S1BhNKYNMg75vnuRf8OzXnBq2N4GAEK9QG+zOr9Cg==
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

2026-09-17T09:51:35.506711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086783
observed a64408f9108b297d7c3c0e194eb1d192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.487565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086783/manifest.json
observed 593c0b547a59bcd006c3f2fa9dd87894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.471191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086783/publication.md
observed 7d510a2d30fb9cff97fb2d848aee8183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:35.452820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086783/publication.txt
observed a20ff3670386ee818006abe397cec029...
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.