OpenTechnical

OT-2026-000079478

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000079478) never changes.

Identity and time

Publication numberOT-2026-000079478 · never reused
Internal UUID01a0ae96-0b91-7152-8e7d-8311a24ca58b · 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-2026-000079478
StatusPUBLIC

Content hashes

Canonical text5912cfa1a30a36501d671f14e5c6d30e85df10f9cb568a1067a3cba8cd8f5d8b
Markdown64253db2fded04c1a4b1f39865605cefe7b0c6d95b5ff28e27e6fe30f98b1c28
PDF
Publication page8a8dfa17b42d47ebfbfb249292e1b86ebfba2cb52245ce00f449a7af4d85335f
Manifestc1622c65cacc5881a9fea339b43c7520e8e6dd9c013dc750726e53dfe8d2457b

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
Signaturey8sD/HwAEtt4p/jwd4hyiBtCYRqDK//MA4xijHSBhfP3b0P5w5rJROzuTFU7zm9y/p2mB0g7dniH0MT+inF6Cg==
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

2026-09-17T10:05:06.035551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079478
observed 8a8dfa17b42d47ebfbfb249292e1b86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.018069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079478/manifest.json
observed c1622c65cacc5881a9fea339b43c7520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.000920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079478/publication.md
observed 64253db2fded04c1a4b1f39865605cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.984344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079478/publication.txt
observed 5912cfa1a30a36501d671f14e5c6d30e...
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.