OpenTechnical

OT-2026-000072018

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000072018) never changes.

Identity and time

Publication numberOT-2026-000072018 · never reused
Internal UUID01a0ae92-47c0-7ee8-8332-03ddb3b4fa7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072018
StatusPUBLIC

Content hashes

Canonical text5965ef6e1edd344977544599076ee66fdc0e63c83418ac1c60f3ed6bb93b66d6
Markdown09ed0c0ea1dea1bd4e94d2b9c38c5e65142410620108028a420fd72c07b8a396
PDF
Publication page458b03ee3e8dd89152f7b79591552e9b80ebfb0b8c90cd0bd38db3d0ff7a09e9
Manifest4d106e874f2f0d21a454fa37f42414d66a2765daf511a88b50258e3db5c5cf26

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
SignaturelhRx8Jyy76+h4Jh++VseoQoGuq0Xv4vP2RFcaOxVpHbnjRDWFgQT5k8p9/at9KLqnDZIYhucOpcFv5iVnBxEAg==
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

2026-09-17T10:23:01.577408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072018
observed 458b03ee3e8dd89152f7b79591552e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.558191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072018/manifest.json
observed 4d106e874f2f0d21a454fa37f42414d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.503105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072018/publication.md
observed 09ed0c0ea1dea1bd4e94d2b9c38c5e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.449536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072018/publication.txt
observed 5965ef6e1edd344977544599076ee66f...
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.