OpenTechnical

OT-2026-000098252

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000098252) never changes.

Identity and time

Publication numberOT-2026-000098252 · never reused
Internal UUID01a0aea1-e964-7728-a0ae-1769c0d924c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098252
StatusPUBLIC

Content hashes

Canonical text8631389f360bec3ea14260e4913272e82979923bba38b5f6008aa46e2f6c8d50
Markdownc2305b207ad8bf9e23d1293abe9db2aa7b9b925cbf51cf52d1a6a40662648b0e
PDF
Publication page34ee0043b94c87456e890b6f9b9b54dfb912d321834153ef65365740c405fc21
Manifestbd41bca5de66fbb6599439e57f80620e6da2b10c800bc47fd1620adea80e333c

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
SignatureQvuxSpM5z2JOXt2awYxwmHqDLEg+IN6BX9jwkTGWkdF+rXAhQJQjH+RFk/Bs7j5JEjlexC0b/sBj+VVfssvNAQ==
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

2026-09-17T09:31:10.816988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098252
observed 34ee0043b94c87456e890b6f9b9b54df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.798543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098252/manifest.json
observed bd41bca5de66fbb6599439e57f80620e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.754361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098252/publication.md
observed c2305b207ad8bf9e23d1293abe9db2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.712169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098252/publication.txt
observed 8631389f360bec3ea14260e4913272e8...
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.