OpenTechnical

OT-2026-000067004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000067004) never changes.

Identity and time

Publication numberOT-2026-000067004 · never reused
Internal UUID01a0ae8f-14fe-7933-a75b-c033ee7586bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067004
StatusPUBLIC

Content hashes

Canonical text218f3755f65b5baafcd0826cec210d4865be1f571d480164502c2f7370b1f16c
Markdown33cb028aeedd1d3ab40f58a5f95becc7be68b87a672e029c58bb5127d09b97bb
PDF
Publication page5a72fda000934c56acaec909ee61054892e40b31cf1ee782fa7eb95f6aa62821
Manifestedd8bc6a62c083335cfeb88c4915d25aa5776981f435cfa89fc89d45da812f5d

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
Signatureco2/dWBoxmRe4v7UlyJsBTt/m5yUDtF2IzQB/0iLgiiWxHH+SMy30tY06TsqW9RhakElIIw9tpoTAUoTHuI1Ag==
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

2026-09-17T10:32:14.109480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067004
observed 5a72fda000934c56acaec909ee610548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.091118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067004/manifest.json
observed edd8bc6a62c083335cfeb88c4915d25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.073469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067004/publication.md
observed 33cb028aeedd1d3ab40f58a5f95becc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.056569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067004/publication.txt
observed 218f3755f65b5baafcd0826cec210d48...
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.