OpenTechnical

OT-2026-000009671

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000009671) never changes.

Identity and time

Publication numberOT-2026-000009671 · never reused
Internal UUID01a0ae6b-7563-7bc5-ae3f-5560aa7ac3c6 · 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-2026-000009671
StatusPUBLIC

Content hashes

Canonical textede679fb4deecc3fe624a57533232720f880061aba22a39c4afb3d7463bb2dd6
Markdownf4eafc63df9077747bb71addfe1d7ecb00abcb81af49ba04497ab3d10ec2ecc3
PDF
Publication page006dac061d43d49babcedadb692d76d3c2a470e5fbaa4e3ff42072074ca25689
Manifest13fb641dffef16fbc0ca3b4b09d7c720e5a9a373726ff928600ef1457286c172

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
SignatureqEPtWakdGHCgIZXZ126dxDn3PUQ/SbdX36NGQ+qukgwTstjw5JCuEwbhYXDRRle0EjAFaEvLWWSuLNo5bBzIAA==
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

2026-09-17T12:17:08.801115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009671
observed 006dac061d43d49babcedadb692d76d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.784029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009671/manifest.json
observed 13fb641dffef16fbc0ca3b4b09d7c720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.766313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009671/publication.md
observed f4eafc63df9077747bb71addfe1d7ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:08.747502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009671/publication.txt
observed ede679fb4deecc3fe624a57533232720...
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.