OpenTechnical

OT-2026-000085544

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085544) never changes.

Identity and time

Publication numberOT-2026-000085544 · never reused
Internal UUID01a0ae99-aaac-79cf-bcae-73f054ff3ad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085544
StatusPUBLIC

Content hashes

Canonical text5507c890275a2428e29774c88258a2f0abfeb21452445ba7e830ab07c8d09ebb
Markdowne14b62de2a791f80c415f407853c44ec10ad4f72e992120aea1eb29c998c9c36
PDF
Publication pagebfbfbb02f909a93c5342e2ed4bcfc5c6958c1c7eba43d03df2e0f8e4fe992b52
Manifestfd5191051748f7676ffacc932b47bfacf05311996a487163a3f1b4ecd3d7a41c

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
SignatureKLH4ZmDobrHbH0UBdH4JecxdgYTyt8g+w7DqZ7rfkTFFL4AfJAFLEba+haIzSQSLz1zwPDMA8Ms2oIB87MVEAA==
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

2026-09-17T09:54:21.763868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085544
observed bfbfbb02f909a93c5342e2ed4bcfc5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.747361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085544/manifest.json
observed fd5191051748f7676ffacc932b47bfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.729317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085544/publication.md
observed e14b62de2a791f80c415f407853c44ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.712654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085544/publication.txt
observed 5507c890275a2428e29774c88258a2f0...
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.