OpenTechnical

OT-2026-000007226

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, pressure verified, contact triggered, rubber cups

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-2026-000007226) never changes.

Identity and time

Publication numberOT-2026-000007226 · never reused
Internal UUID01a0a977-35a0-7190-a9ee-4bcdfd649621 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:05:57.155642Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007226
StatusPUBLIC

Content hashes

Canonical texta9678fce94b83694e718e9fa458c6d77661033711a7b9f6570d2f3de315fb9d6
Markdown82d774f09f2c5e647b449c762193a9c861c2fe5a839ff522da255049be4842e3
PDF
Publication page35f744e06f1f2f439b3aaed5ed45b44b78678631b62d94ce1525011cb1e416f8
Manifest945dcb35f7e5bad081d7206fda06723a0595125e98fd81055316b2e0a611899a

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
Signature+DPIG7oSg/Mr5K7lexXVhc+7i4PkhXVQlI2CDk6yZcyTxj2DKEyxh4qwLDxh0mOGJDjVf7SNnAyvfS214+9rAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T16:41:29.965036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226
observed 35f744e06f1f2f439b3aaed5ed45b44b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:29.845656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/manifest.json
observed 945dcb35f7e5bad081d7206fda06723a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:29.721981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/publication.md
observed 82d774f09f2c5e647b449c762193a9c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:29.569051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/publication.txt
observed a9678fce94b83694e718e9fa458c6d77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.965895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226
observed 35f744e06f1f2f439b3aaed5ed45b44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.954298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/manifest.json
observed 945dcb35f7e5bad081d7206fda06723a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.941750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/publication.md
observed 82d774f09f2c5e647b449c762193a9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.929766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007226/publication.txt
observed a9678fce94b83694e718e9fa458c6d77...
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.