OpenTechnical

OT-2026-000077068

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000077068) never changes.

Identity and time

Publication numberOT-2026-000077068 · never reused
Internal UUID01a0ae94-f507-7dd4-ab04-71396238afc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077068
StatusPUBLIC

Content hashes

Canonical text65998a635fea38da91948c547d3f22b59b2dce1442121bff29be6464de55a3f9
Markdownabc39c17bf09fa381d8a0786c25955609995a6d6a20ac83c772b9f6502594c68
PDF
Publication page1ddaa2ab956f7532ee4a4dcc8ab1b67380c74436aea52b5e49c235337394d614
Manifest16cbef7a34242b2c942b77fd2a3d895b5a42fb6f8e40268e7ce8d80c4874906e

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
SignaturevaloDlsmOvfSwBlpqHYlzQBChYU7O/ui4c339wiiud0ZwyOf5gVnlGRkUKrqzsFxJRuaj9+bJ2QnKev02J7dAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:24.277767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068
observed 1ddaa2ab956f7532ee4a4dcc8ab1b673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.260802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/manifest.json
observed 16cbef7a34242b2c942b77fd2a3d895b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.243105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/publication.md
observed abc39c17bf09fa381d8a0786c2595560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:24.224647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/publication.txt
observed 65998a635fea38da91948c547d3f22b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.121199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068
observed 1ddaa2ab956f7532ee4a4dcc8ab1b673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.103137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/manifest.json
observed 16cbef7a34242b2c942b77fd2a3d895b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.084573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/publication.md
observed abc39c17bf09fa381d8a0786c2595560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.069000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077068/publication.txt
observed 65998a635fea38da91948c547d3f22b5...
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.