OpenTechnical

OT-2026-000031828

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000031828) never changes.

Identity and time

Publication numberOT-2026-000031828 · never reused
Internal UUID01a0ae74-bad1-7553-bbc8-0cc9b0618a29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031828
StatusPUBLIC

Content hashes

Canonical text0e9a85e1497c697ed01c50bc41aea07f2776681fed89974f1295752562d014d1
Markdown4b00a9eed67f45d7ef822ece0a42761edd3f8caf4a8ed9ef6c485b6fbce88c13
PDF
Publication page9f5e2e97e5034331f4ac80669feb14035e7de16f1f998090b4a44191af661883
Manifestd94a10582ca5dc07cd59b916ff3bc804e18a9c2bb096c0dd4c4d51e6f3c7a5d7

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
SignatureBSelgZfMn6jjmy/iz0nHUaaQSLe8znc275lYZPfFgLNTCVSy7S4g4WOUAaLt5bnrpPFm+/rBLkiu7POpiKp1AQ==
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

2026-09-17T11:35:04.290156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031828
observed 9f5e2e97e5034331f4ac80669feb1403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.272101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031828/manifest.json
observed d94a10582ca5dc07cd59b916ff3bc804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.251732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031828/publication.md
observed 4b00a9eed67f45d7ef822ece0a42761e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.226384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031828/publication.txt
observed 0e9a85e1497c697ed01c50bc41aea07f...
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.