OpenTechnical

OT-2026-000048606

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048606) never changes.

Identity and time

Publication numberOT-2026-000048606 · never reused
Internal UUID01a0ae80-4de8-7c4f-b98c-c5a1023944c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048606
StatusPUBLIC

Content hashes

Canonical text455ac70f757f17a70f86099d60cec38833d2c9c93f3d47ebfd14069ef46a0ee3
Markdownf00415ce3ba1060b0ba591832512253a63f38df1fb5a07144090c341927de105
PDF
Publication pagea348e8a576b622e3bf2fcdedd1d9523652166a56d799adb8ecb9e46649d199e7
Manifestcb3c4c8d83f57e7ac0e0f6218492ed456126ca27843e75d5fd36f4bc1d6c9e04

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
SignatureNcSY6iMZ87wqMZrQHppnXzpTZFT6OmyJVIiwIFetx9fxeGE1KhTyvhCHkcAqHlAdSLDHSKfOIULww2lBMAMKCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:25.267520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048606
observed a348e8a576b622e3bf2fcdedd1d95236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.248828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048606/manifest.json
observed cb3c4c8d83f57e7ac0e0f6218492ed45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.229855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048606/publication.md
observed f00415ce3ba1060b0ba591832512253a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.207898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048606/publication.txt
observed 455ac70f757f17a70f86099d60cec388...
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.