OpenTechnical

OT-2026-000056821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000056821) never changes.

Identity and time

Publication numberOT-2026-000056821 · never reused
Internal UUID01a0ae87-7af8-7558-a4e9-1b5d368f79a5 · 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-2026-000056821
StatusPUBLIC

Content hashes

Canonical text2e152d24298cb60d2834ce09a1acc77905018d779ae16aad65da592cc5661481
Markdown71123042d3a88b4f997767d3352a9aee9cb5496d2f0a826f33fa6098a503f794
PDF
Publication pagee3fe0eaa6b4ca6a44d555a72cef6805dc02e237d9219c1a5621ec8b97d807026
Manifest1b07bfe05e577aca8ec890fdbdd1e8242bc74943521b6eaaba9e70fb97f889d8

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
SignatureyFG9gKD6Z0IR9Unl1YrjDOHrQPVPFY1044hHEsi6kLyDhmf272XYFsdyZ1zcmDqgae567wbodjWww+yvfZeeBg==
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

2026-09-17T10:50:18.732164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056821
observed e3fe0eaa6b4ca6a44d555a72cef6805d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.716030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056821/manifest.json
observed 1b07bfe05e577aca8ec890fdbdd1e824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.698587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056821/publication.md
observed 71123042d3a88b4f997767d3352a9aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.680897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056821/publication.txt
observed 2e152d24298cb60d2834ce09a1acc779...
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.