OpenTechnical

OT-2026-000056657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056657) never changes.

Identity and time

Publication numberOT-2026-000056657 · never reused
Internal UUID01a0ae87-7af6-7baf-be9e-6662ab0acede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056657
StatusPUBLIC

Content hashes

Canonical texte9ee7c0d84cdcb9dcc4ade9d3abd528f8640c7f24ae85119265767eba0327f7e
Markdowncca26a658d9fade45d61b0c4200188a17e599caad49f81a0405a052afd591182
PDF
Publication page907d181bd12b40a184a03561bd39df41a240b9f49d4676fee5d3cf0d086d92f5
Manifest6cd0b12e1eff7521583eab6f1488b86f04eba1a31251fe10c9083f31b27593af

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
SignatureBTaC5oedQqEKj+TlZZv/6krXFvXWJLX3RtsDq43gHplf/b9ehp2qDfzn8gUxMF7biLiBlgmw6Kxnkz+hZBTRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:01.394956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056657
observed 907d181bd12b40a184a03561bd39df41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.375677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056657/manifest.json
observed 6cd0b12e1eff7521583eab6f1488b86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.357262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056657/publication.md
observed cca26a658d9fade45d61b0c4200188a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.338952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056657/publication.txt
observed e9ee7c0d84cdcb9dcc4ade9d3abd528f...
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.