OpenTechnical

OT-2026-000054777

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-2026-000054777) never changes.

Identity and time

Publication numberOT-2026-000054777 · never reused
Internal UUID01a0ae86-1285-7ece-bdf5-b96c3491cbba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054777
StatusPUBLIC

Content hashes

Canonical text1b8998e1ac5eac3c01311f01397a6600510a752c03c2ff2381da48bebb9e67f5
Markdowne1c59d3701dca07fd3073222554e1fb4cafd5335c56b154dc3071af9451a9bfa
PDF
Publication page45786b14a9e58303929cc4f25b2e73f1b5645057c5927f56bf3fb8437749383c
Manifest317190dc487283b5fb931ea2a1b70ce0dbe6b43b326f99dbb6970f86a004c1c1

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
SignatureCiAEeqpp0xhayHTiYZreA7bg3dxxC0WP628r1tCxXi8tLO9Cv4Hos+Y+1Vzc+uNHbjAFdU1Hj1ixI5aDUexuBg==
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

2026-09-17T10:53:58.375685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054777
observed 45786b14a9e58303929cc4f25b2e73f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.357164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054777/manifest.json
observed 317190dc487283b5fb931ea2a1b70ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.337693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054777/publication.md
observed e1c59d3701dca07fd3073222554e1fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.319913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054777/publication.txt
observed 1b8998e1ac5eac3c01311f01397a6600...
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.