OpenTechnical

OT-2026-000068371

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000068371) never changes.

Identity and time

Publication numberOT-2026-000068371 · never reused
Internal UUID01a0ae90-2480-7419-9019-98945d67f89a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068371
StatusPUBLIC

Content hashes

Canonical text999f2da704d1faa82c7ab039676e13e4e41c7b43c0db788d929b9b2cfaa7d2af
Markdownc259aa81d0720f08a71bbed53b52d8d49791c7cad0345e3029096d003af60ef0
PDF
Publication pagef89734fe3e582b16fad8f2c03c87ae6cd0afb3773501888de8ea9c5fd1850cfe
Manifest29c1f8259a47a94282a84d279ba9061b7df99ec8e9711d6fffd4ba0eb2fc486d

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
SignaturefA270EH+uDWOVInK7tFM+gdfpaCeIIqkgA8UmXigEB9zxaiw8cxVATVs4NAQ+9FRpnO5PhZylzk5r149CnNLDw==
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

2026-09-17T10:29:25.358971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068371
observed f89734fe3e582b16fad8f2c03c87ae6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.340879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068371/manifest.json
observed 29c1f8259a47a94282a84d279ba9061b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.325192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068371/publication.md
observed c259aa81d0720f08a71bbed53b52d8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.307622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068371/publication.txt
observed 999f2da704d1faa82c7ab039676e13e4...
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.