OpenTechnical

OT-2026-000070844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000070844) never changes.

Identity and time

Publication numberOT-2026-000070844 · never reused
Internal UUID01a0ae91-8c2d-74c2-92c7-20ab79b8db22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070844
StatusPUBLIC

Content hashes

Canonical text6774219ccbe64ad50fbe9bd790c3e320b6112b4f38415e475664b24aa0875c6b
Markdown8e92154fc6ee8ef26e8e42dabb6fcbda15106b11fbca8343613cba1a1aceb4b0
PDF
Publication pagedca33327010be0a4ee2b8e75b2cc3850b32f0474ae249f8c309d437132b27c79
Manifest130d0ec77a76c83a3205e61c83e83467f99bde43e1cec3920b8d001249f93260

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
SignaturewhiuETy2kVFR2LmrHL5TCo1pvlpUHRzuVH44cXg/DY/DMG/BhQYFrnFvMp+W70hXq+wafjAt7byZKatCSxwfAQ==
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

2026-09-17T10:25:39.759553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070844
observed dca33327010be0a4ee2b8e75b2cc3850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.742445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070844/manifest.json
observed 130d0ec77a76c83a3205e61c83e83467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.726988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070844/publication.md
observed 8e92154fc6ee8ef26e8e42dabb6fcbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.711378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070844/publication.txt
observed 6774219ccbe64ad50fbe9bd790c3e320...
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.