OpenTechnical

OT-2026-000049810

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000049810) never changes.

Identity and time

Publication numberOT-2026-000049810 · never reused
Internal UUID01a0ae81-8ff0-7e07-8bab-1176beca7d02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049810
StatusPUBLIC

Content hashes

Canonical text9fb70e87e6ec64ae58fc5a0b13a2879fba33522ec58fd975a6376f44c67db2e0
Markdownd6215ed6c0bd5d3d802bcc358bcf0747e9851b965370a1780ed63b0abcbed32c
PDF
Publication page925b59922bd4e1706fcc294f2c92f0d7cdd4db1e66ef3ce3a556753b56b00540
Manifesteb781172e62d3d4276365d10f21c60b05a0eab00563542e18d010c56131100e5

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
SignatureaBW7s+MVRQlSqzlkrXvYAEfB0+XVa49wAUq+OFv7rjulNNBD3/+5zyZkfiPF4oSE9pnoyFp/RWhsqQD5YPAJCg==
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

2026-09-17T11:02:56.278020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049810
observed 925b59922bd4e1706fcc294f2c92f0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.258599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049810/manifest.json
observed eb781172e62d3d4276365d10f21c60b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.239122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049810/publication.md
observed d6215ed6c0bd5d3d802bcc358bcf0747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.217896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049810/publication.txt
observed 9fb70e87e6ec64ae58fc5a0b13a2879f...
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.