OpenTechnical

OT-2026-000048620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048620) never changes.

Identity and time

Publication numberOT-2026-000048620 · never reused
Internal UUID01a0ae80-4de8-7239-8aee-96883bcb67bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048620
StatusPUBLIC

Content hashes

Canonical textac134b6c2ef9e7ceef75db08e3c3201a39344fc12b0369e5673d2c355dec3ee9
Markdown9e374eb8de0a104b98596361a3ed46aa5aef939b807d120202fc0588e2270642
PDF
Publication page8bbceca2e70724fcee049d43db04706a603ed16908e9338a1134efa6d4e00182
Manifestb1ecd885428deb8c76f1e8636061ddbd3b00ebb303a50ba86a4bfa1963af60b3

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
SignatureEdaoieIOtrok2hrQgp3GGjWYvwoCCDV4t5GpvurAGjoRiYkXILyyyM1Knjt8lN5Vo4fq0vHbIWNdJmW4/6HHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:26.367221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048620
observed 8bbceca2e70724fcee049d43db04706a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.349595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048620/manifest.json
observed b1ecd885428deb8c76f1e8636061ddbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.330013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048620/publication.md
observed 9e374eb8de0a104b98596361a3ed46aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.311694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048620/publication.txt
observed ac134b6c2ef9e7ceef75db08e3c3201a...
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.