OpenTechnical

OT-2026-000078546

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000078546) never changes.

Identity and time

Publication numberOT-2026-000078546 · never reused
Internal UUID01a0ae95-7c29-71ba-a8c0-6e69ad94203a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078546
StatusPUBLIC

Content hashes

Canonical textbc69042dda86af9938cd429d16754b6e2326bd07e74127bf3aef7b9bb4ddd10a
Markdown538415e413d99d20001b249bcad3f9027a693973a8808fd55349c22fe3a4ec97
PDF
Publication page85a7a1ecb6371910a9a674ae2d890a7b17ac97166a0a6702dcac129efb026313
Manifestb07afde22c30f88da5aaefbc86eb1c7fef73e55ac01c3654a07fb4a9c7b0a725

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
SignaturePm3KPZHQqvcFX1OMilcJRdj797zqWlpbJie/gcqn6IPXk6RL40mPMiG7Q2Jx5+kmoj+CKRO2xjon9MR7kPPfAQ==
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

2026-09-17T10:06:33.990653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078546
observed 85a7a1ecb6371910a9a674ae2d890a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.971530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078546/manifest.json
observed b07afde22c30f88da5aaefbc86eb1c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.952668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078546/publication.md
observed 538415e413d99d20001b249bcad3f902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.932173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078546/publication.txt
observed bc69042dda86af9938cd429d16754b6e...
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.