OpenTechnical

OT-2026-000095664

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095664) never changes.

Identity and time

Publication numberOT-2026-000095664 · never reused
Internal UUID01a0ae9f-fac4-7c85-9ba6-ad922aeaa0ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095664
StatusPUBLIC

Content hashes

Canonical text9cebe8f518e0f76a431e52d301802d75996ea383a9b673211e8a32d6c3816735
Markdown12e4dbbfab159a6386e5ae0f8b025aaff58b1df8f744aaa6f848b659a80e6863
PDF
Publication page61b64993622825cba3685e6807b462465ef688b6456630ee4353a582077f9cf9
Manifest4f8145bbf393e879c5c0836f5fd118b2fff0d1b039d0f275eaf66bd55a7e7381

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
Signatureo51Q/otUwLFs8qI9eVmGDYbXUouyVBoXZkQWVeHuCrsWnLBfuFYbVqRAhhXTqMFlCRfUYJ0txuSUv+ZZC1DzDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:08.115709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095664
observed 61b64993622825cba3685e6807b46246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.096950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095664/manifest.json
observed 4f8145bbf393e879c5c0836f5fd118b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.077837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095664/publication.md
observed 12e4dbbfab159a6386e5ae0f8b025aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:08.060449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095664/publication.txt
observed 9cebe8f518e0f76a431e52d301802d75...
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.