OpenTechnical

OT-2026-000011457

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000011457) never changes.

Identity and time

Publication numberOT-2026-000011457 · never reused
Internal UUID01a0ae6c-88ff-7e50-a20d-d7d99660de97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011457
StatusPUBLIC

Content hashes

Canonical text67284b5b95c4fc34be9db22ec0b8f304f76afeb8139577177891d521c26be819
Markdown150dfb1ac94b17a633215d01496c7c91ee9b00c060336c570ca8640a0901a845
PDF
Publication pagecc95606dbb950e3ac0938302028d7cb6780b3c63a86cf97b3f5bd07b5a5655d6
Manifest8028fa21cc5836c56effa92bac9e17ac7b45f39d78d88347cd7e734cb9c1a6cb

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
SignaturezcX1qNyAKczx7fxr+6GXiHdsiyNQ+4SoE6E7AZIbvR7WZK5f9klpY1H4pctKPSAvm+7KMznF7zh5SxF5IZAXBg==
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

2026-09-17T12:13:13.270234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011457
observed cc95606dbb950e3ac0938302028d7cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.250224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011457/manifest.json
observed 8028fa21cc5836c56effa92bac9e17ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.230648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011457/publication.md
observed 150dfb1ac94b17a633215d01496c7c91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:13.208739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011457/publication.txt
observed 67284b5b95c4fc34be9db22ec0b8f304...
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.