OpenTechnical

OT-2026-000056453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000056453) never changes.

Identity and time

Publication numberOT-2026-000056453 · never reused
Internal UUID01a0ae87-4bd2-7100-9feb-bd024a9aa7c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056453
StatusPUBLIC

Content hashes

Canonical text848b67e3bca01a56381db0558e9cebe6c0ec9ae0c2a5d0dbaac3e618dde9b468
Markdown97ad4f6f8bce2f584c34b16bf42e75f1f535d2d0200041463bf602adf70b391b
PDF
Publication pagee90018968e2c2a9f2d78c52d2b14d752f0ccd0dc43b0a2faafa041b1d19f02c2
Manifest45df7654315d775fdf21b90d280d909569e4cb64ed89c0b5610dbe3555d8da14

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
Signature3SFKJWr38b/YipPXKSKyleMIfOJDjDuNvJxxfBVEfbXTpDGq77MNOiSU+Qm9UlN0gCJpnldT44NCNsrZ9llTBw==
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

2026-09-17T10:50:59.417171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056453
observed e90018968e2c2a9f2d78c52d2b14d752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.398478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056453/manifest.json
observed 45df7654315d775fdf21b90d280d9095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.379884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056453/publication.md
observed 97ad4f6f8bce2f584c34b16bf42e75f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.362468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056453/publication.txt
observed 848b67e3bca01a56381db0558e9cebe6...
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.