OpenTechnical

OT-2026-000054601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000054601) never changes.

Identity and time

Publication numberOT-2026-000054601 · never reused
Internal UUID01a0ae86-1283-7d1a-9ebd-d5941b2352f7 · 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-2026-000054601
StatusPUBLIC

Content hashes

Canonical texte2b417d5cc5b155df125bfa78cd31cc84b263d239898cb66e088ed1b94273e14
Markdown85fcb0613977099f82e078ee7f0a4629b235456440866974c8851f085f6efe32
PDF
Publication page7cda357490390942b3fd5af50d838a610a5bdd9d2c538c0fd91d3d6debcd42f8
Manifestf4ac4fa6316554470f0326d841e7cfc38c45269ccd41e4e27194550ee1374e5a

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
SignatureEeKJrI7oIvNvkUuw9KAYiZuDeLjdVwPucjgHlGU+Sc+kNnrciuG+UofZBIfLIxoWVkAYAbu8UMOEstRluRnMCA==
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

2026-09-17T10:53:39.329045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054601
observed 7cda357490390942b3fd5af50d838a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.311891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054601/manifest.json
observed f4ac4fa6316554470f0326d841e7cfc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.267183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054601/publication.md
observed 85fcb0613977099f82e078ee7f0a4629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.219618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054601/publication.txt
observed e2b417d5cc5b155df125bfa78cd31cc8...
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.