OpenTechnical

OT-2026-000067806

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000067806) never changes.

Identity and time

Publication numberOT-2026-000067806 · never reused
Internal UUID01a0ae8f-c4fb-7850-a198-ed188b06c1c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067806
StatusPUBLIC

Content hashes

Canonical textd0c932de6da98f23ccee8d3d5f910e6a999416708e0aeafd3f1a1f23f6de2658
Markdown0c3bfd0a9b933ab47a677b48e3f8410d245ec0ffab212dab207c1f5f7ed7cae0
PDF
Publication page8d388004527b0eff104c3fc09494d3650a2ac27fead0adba692a397b78ebebd4
Manifest8c110320e3748db6ad308f3183fececbbac1edf302124331c5b9a84cce682067

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
Signature0SAjnVnPfo7ofn9nck1zhJYAAYgs2UqP5KhBOGm9F9G/1XbJeHPooXJLRJijxEeA/NCvkJ+gI2JoCC+aycfcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:02.915462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067806
observed 8d388004527b0eff104c3fc09494d365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.897601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067806/manifest.json
observed 8c110320e3748db6ad308f3183fececb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.880715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067806/publication.md
observed 0c3bfd0a9b933ab47a677b48e3f8410d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.863628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067806/publication.txt
observed d0c932de6da98f23ccee8d3d5f910e6a...
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.