OpenTechnical

OT-2026-000008742

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000008742) never changes.

Identity and time

Publication numberOT-2026-000008742 · never reused
Internal UUID01a0ae6a-e46c-718d-82d3-9de9c5a52f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008742
StatusPUBLIC

Content hashes

Canonical textf3903af41386e24d2d5e4addbb9ae6075fbab72caa36307bcce6bc2bbb09a8fe
Markdown9f3e40970c019f1a67fd764d7c56412768d6021ed31f716d1aaa7b2c75f96831
PDF
Publication page763e2d9104039e3a018d5f3a417b7d2e72f70b306695aebad4bcc239544a2e15
Manifest112004dc78ad5dfe21401ad3c4aca91f82968350e41fbde6f6c5811fe05a5b1a

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
SignaturecD83xmUAVWVKm9jFTAhEI5uXW4RnyeGjkDeAEXY1cUCZQIl2R5YAcVjyoBsP3uxbcAnVQrVGon1N49N6F58VCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:50.010578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008742
observed 763e2d9104039e3a018d5f3a417b7d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.989729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008742/manifest.json
observed 112004dc78ad5dfe21401ad3c4aca91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.968869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008742/publication.md
observed 9f3e40970c019f1a67fd764d7c564127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.947271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008742/publication.txt
observed f3903af41386e24d2d5e4addbb9ae607...
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.