OpenTechnical

OT-2026-000009526

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line 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-2026-000009526) never changes.

Identity and time

Publication numberOT-2026-000009526 · never reused
Internal UUID01a0ae6b-7562-7ea7-b8ad-8f794947a2e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009526
StatusPUBLIC

Content hashes

Canonical text448b14b8700fcb0614b1d348c2aacf2e72c2f4f31eefd1c518a21a35b103dbfc
Markdown8e61eee3ee8a0e0cefbb372290132b7719ef6186abf099bffd2a65435e036c01
PDF
Publication pagefcf532d01ba568c68261be47d18594018b7765cbdf3cba636215d51083169a30
Manifest3ef954bd23d61b461eb67fa51a9c4443a94e82a9f3e8fb950f7f82976ee64336

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
Signature3xXq2h+oXIJJv6gAqS3f/Pxh1G2Q+VqPWmX9jbJ4BZ5rEc01SxphQWvTBbiCb4AXfjyuCjxSncTEejhCqYaSAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:56.573833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009526
observed fcf532d01ba568c68261be47d1859401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.555158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009526/manifest.json
observed 3ef954bd23d61b461eb67fa51a9c4443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.537197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009526/publication.md
observed 8e61eee3ee8a0e0cefbb372290132b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.518671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009526/publication.txt
observed 448b14b8700fcb0614b1d348c2aacf2e...
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.