OpenTechnical

OT-2026-000025106

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025106) never changes.

Identity and time

Publication numberOT-2026-000025106 · never reused
Internal UUID01a0ae71-5fa5-76ad-b495-238653e3bb76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025106
StatusPUBLIC

Content hashes

Canonical textd12bf73f4a6a47d8b2022d8e24731d2be8787de7f9ce48f8dd891b1ea182843f
Markdown98723403ab4223231e3458a6996db5586ee1adb67c500802e2ffeb8a6ec1936e
PDF
Publication pageb7d809fe67e5da2c80f295955e526f94c02d4e94ad0372da2bb560b393bd606d
Manifeste424bac1fa2fc6e8e8f85d4bebebcf1b1193bee979c50f2fd402f5fcf21992e5

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
SignatureIzRVLAXUHn3vUi1SF0FNEUdsjZXkOJtOIz/C5tmSi3v2Ie/i9FcrvawFDbSqCzxAymDOCM7GX5AeghVOYud5BA==
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

2026-09-17T11:46:58.673608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025106
observed b7d809fe67e5da2c80f295955e526f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.652762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025106/manifest.json
observed e424bac1fa2fc6e8e8f85d4bebebcf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.630816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025106/publication.md
observed 98723403ab4223231e3458a6996db558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.611791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025106/publication.txt
observed d12bf73f4a6a47d8b2022d8e24731d2b...
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.