OpenTechnical

OT-2026-000056810

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000056810) never changes.

Identity and time

Publication numberOT-2026-000056810 · never reused
Internal UUID01a0ae87-7af7-7591-a4e0-fd3655d94de5 · 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-2026-000056810
StatusPUBLIC

Content hashes

Canonical textb0e218db6c07919054f7ed7475397a832e46daf4a700506f5c3df1113bd79ea9
Markdownda9306a070fe15b01bb3e4cecc4e74c21ebe3a030fed8284abcf970a6b9e9454
PDF
Publication page89790ef8c5918e8fc7dca658015c73f7d7cdedc8df7936a6a549666b09079fb1
Manifest04084674ed3d93a1397c3daa769acda8b0443b1d6031b72b9a9d8d7474e00c19

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
SignatureUS81yv+wQC2bVCYtilcVFgRVCdHOCSd81lRD+MCeXNYGxC91s1OIYpJSP/eV79ehIxxfjp/AHLwC5jED/i+FCQ==
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

2026-09-17T10:50:17.831176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056810
observed 89790ef8c5918e8fc7dca658015c73f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.809888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056810/manifest.json
observed 04084674ed3d93a1397c3daa769acda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.790216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056810/publication.md
observed da9306a070fe15b01bb3e4cecc4e74c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.769517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056810/publication.txt
observed b0e218db6c07919054f7ed7475397a83...
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.