OpenTechnical

OT-2026-000025584

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000025584) never changes.

Identity and time

Publication numberOT-2026-000025584 · never reused
Internal UUID01a0ae71-5fa8-7447-abd5-e66911a5683a · 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-2026-000025584
StatusPUBLIC

Content hashes

Canonical text420b5f91391b4fb90aec140a4a370c1ab80cd4661ed3886699724c335c67c3a9
Markdownc8509d17486d1302b7c958bbc09116e8134d511c1358c89a9905b8ba265cf69c
PDF
Publication pageb673124205825ae44a639f21f8e60bdfaa91324d1b8268f3bed17022314a302a
Manifest0ad025f45c860f4cd4de7561a8602ee542de95ca1ca7194df9be689fffbcb068

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
SignatureKeGjZ9r8dt3CDlhl1gsz+r56SgS/GGR4m+C+EczjZTKzZzT/VsUaR8IXbftzr5ZayLVAAtTN+plhXGMd7kXWCA==
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

2026-09-17T11:47:43.134230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025584
observed b673124205825ae44a639f21f8e60bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.115127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025584/manifest.json
observed 0ad025f45c860f4cd4de7561a8602ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.093875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025584/publication.md
observed c8509d17486d1302b7c958bbc09116e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.073140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025584/publication.txt
observed 420b5f91391b4fb90aec140a4a370c1a...
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.