OpenTechnical

OT-2026-000054526

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000054526) never changes.

Identity and time

Publication numberOT-2026-000054526 · never reused
Internal UUID01a0ae86-1283-704f-a413-93ad03784e7c · 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-2026-000054526
StatusPUBLIC

Content hashes

Canonical text15b4af2a251e88c1eee33619e2e4071bbb0eaf22860a54547243453f1b6fa18b
Markdownbf87f41a36808435a0b9c636bbaed652e565d46a57ee3b84fabdc4d0b503bf4b
PDF
Publication page4a47ddaca586006e3fcac7c7e70b65fb4667a3d09011242b34340d0f0812a8f8
Manifestac1241d0c2eda97e47bab0ea94ee2c58473b5142702d04e4a8b08e6fc4813f05

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
SignatureGfKPiunLhGmKAnY187lqAlOQXC6tYGbCsP/862y2o7vwu1/76U3EeWEHUPso/zs85/cKDccj9NqyefRAke2oBQ==
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

2026-09-17T10:53:32.319760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054526
observed 4a47ddaca586006e3fcac7c7e70b65fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.301355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054526/manifest.json
observed ac1241d0c2eda97e47bab0ea94ee2c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.285217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054526/publication.md
observed bf87f41a36808435a0b9c636bbaed652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:32.267194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054526/publication.txt
observed 15b4af2a251e88c1eee33619e2e4071b...
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.