OpenTechnical

OT-2026-000072214

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000072214) never changes.

Identity and time

Publication numberOT-2026-000072214 · never reused
Internal UUID01a0ae92-47c2-7745-a0ff-b42136684594 · 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-2026-000072214
StatusPUBLIC

Content hashes

Canonical text512f984f2c24fcac50725c55dd3ed55e5b26bb009372f988ac445d975fcf9526
Markdown8f934dbf26b38e7d2e4ef43c2fde35a11706f5bc64d6967768c5cc0b4ff37a1d
PDF
Publication page8aeb56eded5e51bf893263f833cafe266693e01d841734301f591625dd1113c8
Manifesta7baa3f9ee94339faae1a059f268508a4e78cac86e1bc4d31c21b35489cff470

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
SignaturealzUnoMED4QHjPVxYbd854hjX+1g6o2BKTHeJfNtU+v667/ZzzY4tsElXKYTXSptxDEatnJu36J/i4AGM5YZBg==
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

2026-09-17T10:23:18.987537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072214
observed 8aeb56eded5e51bf893263f833cafe26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.970294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072214/manifest.json
observed a7baa3f9ee94339faae1a059f268508a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.952646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072214/publication.md
observed 8f934dbf26b38e7d2e4ef43c2fde35a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.934391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072214/publication.txt
observed 512f984f2c24fcac50725c55dd3ed55e...
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.