OpenTechnical

OT-2026-000055696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000055696) never changes.

Identity and time

Publication numberOT-2026-000055696 · never reused
Internal UUID01a0ae87-09ca-76ea-8ad6-2ad602dd58f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055696
StatusPUBLIC

Content hashes

Canonical textdd44c3f948d791980296cecf00fa32fa201a507ae1284efadd828d6cf34132c0
Markdown06f51ac2a15009513ff512d4a109b3939521ababec7ddf6cd9a36a76d3bbe0d9
PDF
Publication page9dca4af542713dc6deac8aefa0a12e3466a46338d82e0c68a0622d6278e1a291
Manifest90b2a80b8b50bbe6979a98a3b736ea771bf7d9ac0e5395821a9a247f8bb394f5

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
SignaturexdvnkZ1BGxyidb4crbmlZAfvpOvSOXtiGK2VfLb7pZHR4WLOlESCHvtQNnsHyAHPJd6PwnyiJd2uGHQyLFZsDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:01.314566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055696
observed 9dca4af542713dc6deac8aefa0a12e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.295137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055696/manifest.json
observed 90b2a80b8b50bbe6979a98a3b736ea77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.276562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055696/publication.md
observed 06f51ac2a15009513ff512d4a109b393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.257806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055696/publication.txt
observed dd44c3f948d791980296cecf00fa32fa...
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.