OpenTechnical

OT-2026-000041091

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000041091) never changes.

Identity and time

Publication numberOT-2026-000041091 · never reused
Internal UUID01a0ae79-b142-74a5-b05b-c18acd9de5cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041091
StatusPUBLIC

Content hashes

Canonical text4ec038f11a44b929f243837e259959952f7c1864a6d6cba274f02102af2ac465
Markdown545ef9beeaea6a6a49dc974a2358dcdede091cc040865fd1a030ccee2708e0c2
PDF
Publication page383bf7af5d719d890b3f184ec891a8396dfa74c6b485b98ed0316edfbb471025
Manifest78071c8f7f032b6f4312a5a0bf409f55990691590eb17d38416426f7e7b04ec5

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
SignatureURbKcNzCOyitR4bRRJiku+3bQNY2fRpZQ13xEmIot0wNAX79GEV0kOyKmZH/yyS/q1/9edtz6/lQgFWE2nQnCQ==
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

2026-09-17T11:17:00.566871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041091
observed 383bf7af5d719d890b3f184ec891a839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.552350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041091/manifest.json
observed 78071c8f7f032b6f4312a5a0bf409f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.535877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041091/publication.md
observed 545ef9beeaea6a6a49dc974a2358dcde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.518804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041091/publication.txt
observed 4ec038f11a44b929f243837e25995995...
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.