OpenTechnical

OT-2026-000063677

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000063677) never changes.

Identity and time

Publication numberOT-2026-000063677 · never reused
Internal UUID01a0ae8c-f946-763a-9f91-32f82ac9220e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063677
StatusPUBLIC

Content hashes

Canonical textd2f5b2829ac5424051ae639122f24eec8373949b95a6ddd5bede71b1b7cd4951
Markdown4cef565b5a95b4c9c76f46ba5e38ed44025236774fbc161b160c1cdadc07c86a
PDF
Publication page6eab7edeffa87b64dc3638316ffbf486e695e4955399dafa81364cca7138a2e9
Manifest964200001a84a895dc772b2501ab03799316812d8fd3b1319b6b5d31d75c1ffe

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
SignatureN62WNKGpbE2tuHx9gwtCBE1kHMXccnXtP7CMSdyRz8c9Y/ccwZUTKnrBbnrnMeiECPJQvtQxqhktXRx8q4J8DQ==
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

2026-09-17T10:37:47.517927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063677
observed 6eab7edeffa87b64dc3638316ffbf486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.499292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063677/manifest.json
observed 964200001a84a895dc772b2501ab0379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.479218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063677/publication.md
observed 4cef565b5a95b4c9c76f46ba5e38ed44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.462171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063677/publication.txt
observed d2f5b2829ac5424051ae639122f24eec...
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.