OpenTechnical

OT-2026-000080700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080700) never changes.

Identity and time

Publication numberOT-2026-000080700 · never reused
Internal UUID01a0ae96-b973-7b63-a7fc-18b4b2bb14f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080700
StatusPUBLIC

Content hashes

Canonical textafdc0f416b34d0b0aa5dca5184c5d814952519e1c88062e8f1b053f671b02aee
Markdown88bb55cbcae6fd2b1cebc020717fb3ff2ef354c4442c0f4b66e6649577672223
PDF
Publication page1f983a11cbd0ff589b1192c89d12208e611f5b8eb65d73fc4907863fb2de1dd9
Manifestaa7369e846b623a77e5b8566e12f75f865179be9ac1beddb247edf0cba734d3f

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
SignaturepsAYpwrLkylG+WkGgZ41M34g6S9bXSRnpew/Q0OPUi6qoxCqtSZZwVCwLyrQrC121RG1h15YbCIG32iNTlKBCw==
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

2026-09-17T10:01:44.011731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080700
observed 1f983a11cbd0ff589b1192c89d12208e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.992047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080700/manifest.json
observed aa7369e846b623a77e5b8566e12f75f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.973791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080700/publication.md
observed 88bb55cbcae6fd2b1cebc020717fb3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.955576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080700/publication.txt
observed afdc0f416b34d0b0aa5dca5184c5d814...
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.