OpenTechnical

OT-2026-000069174

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069174) never changes.

Identity and time

Publication numberOT-2026-000069174 · never reused
Internal UUID01a0ae90-6dcf-7bd5-91c5-073f84baee34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069174
StatusPUBLIC

Content hashes

Canonical text596e6807fd639307f21ff31413c0c3a995ea3887db370f17d126744d4a076b1c
Markdown25a102badc111578d96f5addb8b8c4c6b10d4dc68e633cb89af9f68cba179228
PDF
Publication page43d00c9e364e0f4b016d1df29bbf47a6bae0207bbec4ad9dae2a567fcbcd5190
Manifest05d083475d40deaf3e3cdd5c4786f864b8fc16a35fa03251b32fa200091d8098

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
Signature9uggMXI/aa7nkeoOQ/IxowWAuPAqW7BYJ6gAKJRrAZiTjjF3CGWitDc6LLyNmFQIx4AM8DwihJ6u7qz9Ptl/CA==
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

2026-09-17T10:29:03.927634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069174
observed 43d00c9e364e0f4b016d1df29bbf47a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.910350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069174/manifest.json
observed 05d083475d40deaf3e3cdd5c4786f864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.890101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069174/publication.md
observed 25a102badc111578d96f5addb8b8c4c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.870535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069174/publication.txt
observed 596e6807fd639307f21ff31413c0c3a9...
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.