OpenTechnical

OT-2026-000056566

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056566) never changes.

Identity and time

Publication numberOT-2026-000056566 · never reused
Internal UUID01a0ae87-7af5-7931-a8e1-88f3bd1e07cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056566
StatusPUBLIC

Content hashes

Canonical text110c502062258f633f3bb4b4805b0fa30e2bbf3f7d38fb215222a537e1dafccf
Markdown7ac4423b446521d14f0918296ebcaf4c3e0019eaeba49477e07b987d75f4c292
PDF
Publication pageb8e804013ddf85d0d60e7283702d210468a90f9c5047db5bee5dc316d2be8f05
Manifestfb1bdbdb1ce1a11207566aa293b7c7443672ef1d374d4fa560b340112d62914a

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
SignatureFgqfNl6ZTozHDMVI4Qd5tZO/3R1g9Ad0A7fnCkYZsldp3yGzy+GsD4+/nWwYdbVgc6MpvxbvlBxX/hd6GQgZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:54.276139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056566
observed b8e804013ddf85d0d60e7283702d2104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.257854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056566/manifest.json
observed fb1bdbdb1ce1a11207566aa293b7c744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.239524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056566/publication.md
observed 7ac4423b446521d14f0918296ebcaf4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.220550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056566/publication.txt
observed 110c502062258f633f3bb4b4805b0fa3...
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.