OpenTechnical

OT-2026-000008717

Publication integrity record

Foam pad vacuum gripper, 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-2026-000008717) never changes.

Identity and time

Publication numberOT-2026-000008717 · never reused
Internal UUID01a0ae6a-e46c-776d-a13f-b4b1d9e34eff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008717
StatusPUBLIC

Content hashes

Canonical text5109f89fbc72eb8b33ff6cc0a971198bffac8df72500b680e97de105aad3f801
Markdownb017504620ee2e677ca4089b82ace39a294ed721770351c806e79eb3afd66b73
PDF
Publication pageb8f5aa5245921b6dbf4b38fd9accadcf999e01e6b546bb5b70e4206b215ae4e9
Manifestd5151d4800758034d2fce638a9e93ae407edfc3284487a4f2630c2249a38f0a0

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
SignatureuTUj2Lk6+GvSOGbKtP7x2HflFmHnRTBp+q4XEEQY1aFH5UwZIQbt6FkFTJGDuOqjbblG1dMi8CiX0PeqNMc2Bw==
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

2026-09-17T12:18:47.770132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008717
observed b8f5aa5245921b6dbf4b38fd9accadcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.748345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008717/manifest.json
observed d5151d4800758034d2fce638a9e93ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.726637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008717/publication.md
observed b017504620ee2e677ca4089b82ace39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:47.706634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008717/publication.txt
observed 5109f89fbc72eb8b33ff6cc0a971198b...
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.