OpenTechnical

OT-2026-000079940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000079940) never changes.

Identity and time

Publication numberOT-2026-000079940 · never reused
Internal UUID01a0ae96-4377-7dbd-950d-0c5f1dc2d0bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079940
StatusPUBLIC

Content hashes

Canonical texte58feec80d3611fcb1937f8ec0e42d71955cda62f111a401798ece448a01b24e
Markdown16da5b1dc32e7d43040afb6129f8d269604f90ab8be57d1c11f2ce1e1df9bfbf
PDF
Publication page3ded94e35508f3040a8ba122790ecf4cabca2bf83214af93324b2b3877010d42
Manifest7807393bdcff6fac4dcd40f01189de53668d74cb68dc38982cc6374e76d0ab73

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
SignatureY8NMW5XAojv8kxFLLjNkmmg3Ku1UEjOuM4SQF+YupDoTDTITZSvIYkQ7se71kRPPxx6IkcW6AbTAMZp1cc36Dg==
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

2026-09-17T10:03:50.729743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079940
observed 3ded94e35508f3040a8ba122790ecf4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.711702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079940/manifest.json
observed 7807393bdcff6fac4dcd40f01189de53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.690173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079940/publication.md
observed 16da5b1dc32e7d43040afb6129f8d269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.671262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079940/publication.txt
observed e58feec80d3611fcb1937f8ec0e42d71...
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.