OpenTechnical

OT-2026-000029121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029121) never changes.

Identity and time

Publication numberOT-2026-000029121 · never reused
Internal UUID01a0ae73-2aa0-711b-93ba-204537d68a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029121
StatusPUBLIC

Content hashes

Canonical text2f4890777aab6e463b17bc5cb8e488bb61eb66d64162fa10ef87b3c7465e99fb
Markdown7f3ba3c440aec5f5c90bb503b21448d3bf3c0388a89ad5091e88ba455a39e251
PDF
Publication page43e56d0da2349fc3da7c0dc0e9e31c9624e9cc99a4f8cab0a92eb0873c8fcca3
Manifest60e50580d0547b2ab1d8004c98ee0ad21b7aca330d1ef11cf3ae5eaa632d1a28

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
SignatureA4Ac7kyGg1OVQorNWPVH6WjWw5KIomXV1eraAA9Ul2WQlfpoC52f91MsuFnM/NToHW5iyMOL5YMbZlIVT4iGDQ==
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

2026-09-17T11:39:36.251879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029121
observed 43e56d0da2349fc3da7c0dc0e9e31c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.234895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029121/manifest.json
observed 60e50580d0547b2ab1d8004c98ee0ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.214068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029121/publication.md
observed 7f3ba3c440aec5f5c90bb503b21448d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:36.196940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029121/publication.txt
observed 2f4890777aab6e463b17bc5cb8e488bb...
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.