OpenTechnical

OT-2026-000034924

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034924) never changes.

Identity and time

Publication numberOT-2026-000034924 · never reused
Internal UUID01a0ae76-1ed3-7dcb-8fec-bb8f4bbe8f28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034924
StatusPUBLIC

Content hashes

Canonical textae8b7530300a0100da79291044ed338bd344a729812a93122e317dac0b7a030f
Markdown2d9dfdbcc66fc87132a4f087c97b871461a4a736d7c8e641e3722c10356fb1a7
PDF
Publication pagececb9e29c7c182eba5b14f6436a5507648cf7152b002a4c923cd3ff6cd9927af
Manifeste63a4fe8f6d6b97904e1d33c5d1cffe27f96230394b190638fed31a22463a2bd

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
SignatureZtttVdEQHIxGvSWC8cKwXEBTp7i41gnY/mBj3e9L2m9MrT3qXt8BiWQK79edcfh2CELSyV0Wkg6g2rB+1oLmBQ==
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

2026-09-17T11:30:42.615929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924
observed cecb9e29c7c182eba5b14f6436a55076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.597030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/manifest.json
observed e63a4fe8f6d6b97904e1d33c5d1cffe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.577170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/publication.md
observed 2d9dfdbcc66fc87132a4f087c97b8714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.557911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/publication.txt
observed ae8b7530300a0100da79291044ed338b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.460352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924
observed cecb9e29c7c182eba5b14f6436a55076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.442586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/manifest.json
observed e63a4fe8f6d6b97904e1d33c5d1cffe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.425788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/publication.md
observed 2d9dfdbcc66fc87132a4f087c97b8714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.407049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034924/publication.txt
observed ae8b7530300a0100da79291044ed338b...
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.