OpenTechnical

OT-2026-000082272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000082272) never changes.

Identity and time

Publication numberOT-2026-000082272 · never reused
Internal UUID01a0ae97-4d94-72f3-b51e-17474fa21c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082272
StatusPUBLIC

Content hashes

Canonical textd98c71b7bcc1f0e96d18e4f5c7cb2e5fd099e67c479e827d247cc152f34b6f77
Markdownb5d40b0b3ee7c72db922ca0fb9b67ff34e4ffe3696f6f30f9bad22d77de06eba
PDF
Publication pageb0e3fd619e2e566795e67e95756351b77191e4d774b37f6c9afe6e8f5bbf6808
Manifest8d7c5c5224004447fbf5d93d418ee10b334393eebcaee983c2e1b60b90cc2764

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
SignatureSnpz/5HGpEAa1oYkAOc0vaVQQFPNEt7I6EGS02z86c6Bvosew3et9WZXcnDD2MGwd2AcX/NCjVNbekDfdmoCDw==
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

2026-09-17T09:59:07.647575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082272
observed b0e3fd619e2e566795e67e95756351b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.630044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082272/manifest.json
observed 8d7c5c5224004447fbf5d93d418ee10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.613340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082272/publication.md
observed b5d40b0b3ee7c72db922ca0fb9b67ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.596158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082272/publication.txt
observed d98c71b7bcc1f0e96d18e4f5c7cb2e5f...
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.