OpenTechnical

OT-2026-000039080

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000039080) never changes.

Identity and time

Publication numberOT-2026-000039080 · never reused
Internal UUID01a0ae78-9672-7a37-ba57-a48fe7012061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039080
StatusPUBLIC

Content hashes

Canonical textaababd9ef3c9a5648fb1e2330b7f05a78bcdf9690e0823ddf66a1ea686011928
Markdown2c185d9be906fc26a0b964b7235a686828ea189e1cac51bdb2b2d952e2219d59
PDF
Publication pageb4f878191227d551ca48380cf7e70dc9984b1fc203c8248ec1cbcbe9e187887a
Manifestba83bc47d48a0cabbb22d5d58c32b8a780b6967cd1048a8db32797067774c88b

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
SignatureHxSdne/AfFtB77KEMSookSMbEStVbeNvhs5BXIeRNWQBKBTfIaR7mbQBQw+xVNhGOFUGqtLEFL8+HttGIKmlAg==
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

2026-09-17T11:20:33.588589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039080
observed b4f878191227d551ca48380cf7e70dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.571547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039080/manifest.json
observed ba83bc47d48a0cabbb22d5d58c32b8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.553373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039080/publication.md
observed 2c185d9be906fc26a0b964b7235a6868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.532994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039080/publication.txt
observed aababd9ef3c9a5648fb1e2330b7f05a7...
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.