OpenTechnical

OT-2026-000055744

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000055744) never changes.

Identity and time

Publication numberOT-2026-000055744 · never reused
Internal UUID01a0ae87-09cb-7038-84dc-11082ff9da19 · 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-2026-000055744
StatusPUBLIC

Content hashes

Canonical textbb5db9b9f57e752189da5335ca2405877ac2ab98d2cff538e9879d55ce32bb28
Markdowne6050e419d6fe02e2e145afd6c6ded74c18537159ba2c95e3199a5907f6b205e
PDF
Publication page8486f264a064d8d163e14d0fdccd1eea1ecafa604e4ac6b8adf7b49513f3de50
Manifesta8423cf503879f2bb3ddbd2d4d770ece562cfc6846f5eedc865d8d7384cf7227

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
SignatureB4goMspP20PH5glGpUsinV4i2HUA47JHWLU87WgYJM5+QSk2+X4uLKsPern7ErNlI/YYIYdEc5x3Uj9hc/iwDw==
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

2026-09-17T10:51:05.602381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055744
observed 8486f264a064d8d163e14d0fdccd1eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.584244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055744/manifest.json
observed a8423cf503879f2bb3ddbd2d4d770ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.567017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055744/publication.md
observed e6050e419d6fe02e2e145afd6c6ded74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.549999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055744/publication.txt
observed bb5db9b9f57e752189da5335ca240587...
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.