OpenTechnical

OT-2026-000051685

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000051685) never changes.

Identity and time

Publication numberOT-2026-000051685 · never reused
Internal UUID01a0ae83-7c82-7b64-be33-3c8449ab1567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051685
StatusPUBLIC

Content hashes

Canonical text53425f1c523baa736e6d717c49509a126c0506a17948f4ffb62ebd25e88f7fa8
Markdownb024c88fec11a5292ce4008d84ddcf6ecff733035cc8f77193fe5b615c53b90a
PDF
Publication page18442fa3d85af23ec595c669d1b6c873c94959b4faf6ea63093f69300d89c1af
Manifest45fc0a841a4e558f43174b5325cd76dcc89dda51d10e0e3a1ccedbd662fe2776

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
SignatureTCNh7CsGLRwcIX+sVs0K9tM7a+cnEV8YlBSTZdOqxSfGk9vjqva+/w2kslr1tKk+33y5Qa7GK2gMchpYKvCaCA==
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

2026-09-17T10:58:33.621620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051685
observed 18442fa3d85af23ec595c669d1b6c873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.603838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051685/manifest.json
observed 45fc0a841a4e558f43174b5325cd76dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.586136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051685/publication.md
observed b024c88fec11a5292ce4008d84ddcf6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.568502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051685/publication.txt
observed 53425f1c523baa736e6d717c49509a12...
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.