OpenTechnical

OT-2026-000048654

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line 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-2026-000048654) never changes.

Identity and time

Publication numberOT-2026-000048654 · never reused
Internal UUID01a0ae80-c32b-7d9d-aa6d-5ece638bf02d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048654
StatusPUBLIC

Content hashes

Canonical textf98de588e245d5514e72031ececb55b98e0ba386291d9a5c9ac1902305fba053
Markdown61ef25e3c78010cf3d0570822bbfaeba8f3ce4a22d16354518392caa094374ce
PDF
Publication pagee4cecd81af23bb43b7095a62ece9d5bb48c90386e50e28caa01b5afa9e9d9db4
Manifest803ef05d7a03bfeae85d2b131cfff97241b66cf572141b218acb6fe059d46354

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
SignatureiIByCnWdcMQJw98HVZ9BUtpe68c7QWPBqVFonGhsjoJxg+pcdmX1FVVMq0atQ8XFDL2R1HUknOo1+q0r2TndDw==
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

2026-09-17T20:42:09.104250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654
observed e4cecd81af23bb43b7095a62ece9d5bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:08.752445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/manifest.json
observed 803ef05d7a03bfeae85d2b131cfff972...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:08.424705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/publication.md
observed 61ef25e3c78010cf3d0570822bbfaeba...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:08.041398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/publication.txt
observed f98de588e245d5514e72031ececb55b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.135731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654
observed e4cecd81af23bb43b7095a62ece9d5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.115200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/manifest.json
observed 803ef05d7a03bfeae85d2b131cfff972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.094956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/publication.md
observed 61ef25e3c78010cf3d0570822bbfaeba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.074740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048654/publication.txt
observed f98de588e245d5514e72031ececb55b9...
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.