OpenTechnical

OT-2026-000056458

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000056458) never changes.

Identity and time

Publication numberOT-2026-000056458 · never reused
Internal UUID01a0ae87-4bd3-7032-985c-55dd29e9833b · 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-2026-000056458
StatusPUBLIC

Content hashes

Canonical text470023304c677d6b0892e2afa330cf38c5c02dc22ad4d3d41b5d5292097de21d
Markdownb1c5086f317d8d56feec0ba6953642cada7994b22f66b417175ad32e82e32bbd
PDF
Publication page1a9c6ff20754d2d23074714f0e1d7cf3756e8221f44bc8f2dc122b4b5fd11c86
Manifestff4db4b7971e0f1a29b25621186f92df180fe725d5fea239b39187da838b49b7

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
Signature32eT1PfDm+mBu8c6LMGweft5GudpOcomFEjkQptkZsi1hVa5y3dVnjxeyXpcV33JXemGT2EENCB0Zbx1ppBTAA==
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

2026-09-17T10:50:59.791690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056458
observed 1a9c6ff20754d2d23074714f0e1d7cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.774301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056458/manifest.json
observed ff4db4b7971e0f1a29b25621186f92df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.753545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056458/publication.md
observed b1c5086f317d8d56feec0ba6953642ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.736641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056458/publication.txt
observed 470023304c677d6b0892e2afa330cf38...
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.