OpenTechnical

OT-2026-000061207

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000061207) never changes.

Identity and time

Publication numberOT-2026-000061207 · never reused
Internal UUID01a0ae8b-1381-7fcd-bd86-c9ae79a5d0e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061207
StatusPUBLIC

Content hashes

Canonical text43904f57b1246c7271fd1f7b09b53927c068174083176dcedb37553bc6c82a1e
Markdowne361cfd9102531f15925c575581dfe20e67eed2fb98cef1769cc62ed55d2044e
PDF
Publication page4b410413b1bf8e4dcaadcfd767e8ba5d2f7ad602df62bfd711e0569958b84e36
Manifesta8df38e426da65a8fbcb72bdf1a783e7410ab95b00634fed82d1b6a94a54b3ec

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
SignaturejieKgrZXungOHDB6Z+XvUwxKb0DzRlklmMnqYe8tNOANQq48wvHcO1feSTR8i1Haj5OI1n/RfyGLCj7y8dKWCg==
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...

Independent retrieval

2026-09-17T10:42:36.464966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061207
observed 4b410413b1bf8e4dcaadcfd767e8ba5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.445195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061207/manifest.json
observed a8df38e426da65a8fbcb72bdf1a783e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.426671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061207/publication.md
observed e361cfd9102531f15925c575581dfe20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.408209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061207/publication.txt
observed 43904f57b1246c7271fd1f7b09b53927...
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.