OpenTechnical

OT-2026-000081500

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000081500) never changes.

Identity and time

Publication numberOT-2026-000081500 · never reused
Internal UUID01a0ae97-0f70-76bf-a235-7ac9b1a9f944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081500
StatusPUBLIC

Content hashes

Canonical text088152f4e676a1fb2df60ca476fc927a19ef388d86201440be0ff90e2c84774b
Markdownb1c04bc9c331b18f6c690f29b20c22e5853f2132e77ac730c64d103770a03991
PDF
Publication page06f0d1d5bff7547079604097447025c3c62b1899210f2a2c8e9e34cc2f4d10a2
Manifestf5564c54171d7f36e0e760a4e72ce4ede10c000ba3fe5164d90a5ced41dc68ff

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
SignaturesCE77tua15L9k44IrRLsAXR3FVy49r4McSh8Fuug8XOhaDi5UC90fWcRs8bUZZ37dUPjATvfeISskb7KfxcnBQ==
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

2026-09-17T09:59:30.781424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081500
observed 06f0d1d5bff7547079604097447025c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.763683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081500/manifest.json
observed f5564c54171d7f36e0e760a4e72ce4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.746515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081500/publication.md
observed b1c04bc9c331b18f6c690f29b20c22e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.729465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081500/publication.txt
observed 088152f4e676a1fb2df60ca476fc927a...
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.