OpenTechnical

OT-2026-000010972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000010972) never changes.

Identity and time

Publication numberOT-2026-000010972 · never reused
Internal UUID01a0ae6c-540e-7453-ab0a-cacaaefd80fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010972
StatusPUBLIC

Content hashes

Canonical text8b6a2c24df904304c8c799b2be5a7fd05cd34c7bfd5f6d2b2c5503cbc72bf1f3
Markdown9c357d7ad833b40142d9e4bbdef5947c62242d26ef143489c3f98aea010c48fc
PDF
Publication page2473ad6edb2329bd57d8a6858f6bd8b8310a2497e64ea9f10ded3801d2bb475c
Manifestd440b78136f485a5269e74a24b089997d4683ffb13f8a55746142eb172186026

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
Signatureoc3CuQxpw/39OIPUqTBzH+Isv3malSIr8MqnFezqQJ6ZxSsbQLaTaoqaL1EampMKIvDLS0QylTFOSSgG0mdMBA==
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

2026-09-17T12:13:46.370427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010972
observed 2473ad6edb2329bd57d8a6858f6bd8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.350987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010972/manifest.json
observed d440b78136f485a5269e74a24b089997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.330955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010972/publication.md
observed 9c357d7ad833b40142d9e4bbdef5947c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:46.312431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010972/publication.txt
observed 8b6a2c24df904304c8c799b2be5a7fd0...
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.