OpenTechnical

OT-2026-000099509

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000099509) never changes.

Identity and time

Publication numberOT-2026-000099509 · never reused
Internal UUID01a0aea2-c974-7265-a7f0-22682f68c77b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099509
StatusPUBLIC

Content hashes

Canonical text6bd3018d99549e7a825e65454063224173906e13da4c856916c1b5f838944824
Markdown4ba90d1c26098acde09c2ced41f1a2f984af89cc5bf334c26c0b23902100b547
PDF
Publication page0d9d405b5441dc2424865045bb2e5ee631f5f300da93a7e36d33add73f6b6628
Manifest8a76aa6b239f74c27fb1dd825520edabe3c756a8c65246fdab9e5b5d6ff30416

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
SignatureI615kdmQXOVKtq5sfucnpnyDczsW2TUrK9nshPC7uG3i49/vGDhi4lxruBhCbkqAM/ksqW18reYz/Io6fU79Cw==
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

2026-09-17T09:29:24.263656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099509
observed 0d9d405b5441dc2424865045bb2e5ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.246915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099509/manifest.json
observed 8a76aa6b239f74c27fb1dd825520edab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.228948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099509/publication.md
observed 4ba90d1c26098acde09c2ced41f1a2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.211541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099509/publication.txt
observed 6bd3018d99549e7a825e654540632241...
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.