OpenTechnical

OT-2026-000079274

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000079274) never changes.

Identity and time

Publication numberOT-2026-000079274 · never reused
Internal UUID01a0ae96-0b90-753f-ad96-e6b562c386bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079274
StatusPUBLIC

Content hashes

Canonical textd3e901411022b1936d17f6d589aec6ab57b3c7dd95380a68ae96fbb761a7d5e0
Markdownfaf695af982eed6830993082f8e207f51f511c4d6f410897864b502bfd25f46a
PDF
Publication pageb4c5d54a9449dbd00ddce3de7eb9c54b9bbb1689d6ae6a7d3e268269bd83f2fc
Manifestdb503148c9322e8cf81578e164bf120a40c9ea87c2064636c7cb55ef814677f5

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
SignatureF0VeYBP0pZp3399aMxbGXdY68gbNMIB+ZCvQjyXjntoM0BfEUbAVbwkDxRJp2UGxzv+51+/KV2St5KGIJn+UBg==
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

2026-09-17T10:04:52.695029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079274
observed b4c5d54a9449dbd00ddce3de7eb9c54b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.675645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079274/manifest.json
observed db503148c9322e8cf81578e164bf120a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.656985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079274/publication.md
observed faf695af982eed6830993082f8e207f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.638217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079274/publication.txt
observed d3e901411022b1936d17f6d589aec6ab...
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.