OpenTechnical

OT-2026-000064808

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000064808) never changes.

Identity and time

Publication numberOT-2026-000064808 · never reused
Internal UUID01a0ae8d-debb-7983-8b9f-ec5d30b64b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064808
StatusPUBLIC

Content hashes

Canonical text375dacc80788133249efeac580a00e41a57662ca1123d265d213fa6bbe1e113a
Markdownae6940eb1ad6f1a6c3e406a519e88942c37fb859db96244b2b6c00700677f9e5
PDF
Publication pageaefc6059166f5727165a5b12091ace20c0e5aca4d9ebad3a7d9df1625f10333e
Manifest82c55baa72619ca8caace7d7282bbcb884c302285f1dad3538af1963501cc510

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
SignatureBTuzzL7aNhXJPRqMutFibXp+SkpELcXRv6sr1DlFo8QNrruSz34JQJhXHApE91RjWO2fLLO4KkEqeoWEPQUuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:42.611262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064808
observed aefc6059166f5727165a5b12091ace20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.594279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064808/manifest.json
observed 82c55baa72619ca8caace7d7282bbcb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.577104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064808/publication.md
observed ae6940eb1ad6f1a6c3e406a519e88942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.559768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064808/publication.txt
observed 375dacc80788133249efeac580a00e41...
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.