OpenTechnical

OT-2026-000026300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000026300) never changes.

Identity and time

Publication numberOT-2026-000026300 · never reused
Internal UUID01a0ae71-f4a6-72e9-8998-91448e5439f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026300
StatusPUBLIC

Content hashes

Canonical text5f80e3674925d541deb4fe92f749c65c3393ce8c5ea9ab8d71e7aa06881da99b
Markdownb240facfb20018928a2f900f5eb24f6bff37fe0de664caa83b01f3ffc9aea923
PDF
Publication page0b060815c4e5720e78b124e7d3a10015d63f18c0549dfa797d7e666dd8f01aa8
Manifest66dd5048cd2376455ba8eb3997cb5f5dbca104b0cb4f761e599058c20da40d57

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
Signature6fmCYjJxJXRumjL/myrtGUyox5vsqCz5nmmoNeGbxvYp3hUhYXyZT3B1WhPdxvwr+NvPTNEpiS7lF2VnbstmBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:15.050151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026300
observed 0b060815c4e5720e78b124e7d3a10015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.033296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026300/manifest.json
observed 66dd5048cd2376455ba8eb3997cb5f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.017366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026300/publication.md
observed b240facfb20018928a2f900f5eb24f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.000351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026300/publication.txt
observed 5f80e3674925d541deb4fe92f749c65c...
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.