OpenTechnical

OT-2026-000055705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented before 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-2026-000055705) never changes.

Identity and time

Publication numberOT-2026-000055705 · never reused
Internal UUID01a0ae87-09ca-76dd-941d-1528801ea956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055705
StatusPUBLIC

Content hashes

Canonical text714f0d03242c1bd90d428d172b058a1579974e0e98c817ad29756e7f6d92caba
Markdown37fde10e782ae2c47c125e7b906a1a4d8c13f69241ab07ffc5daaab669098d81
PDF
Publication page090caa42fd414ae119771c769f1257208b3829b0820a48999dd95f2cee827be5
Manifestf3d93da0a326f279969ce21e854a977e20c504d129346c9bb882e5166fa3b560

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
SignatureYQhlvsiBlVCsV4EtqQsJXgmHI7c0hOpalkGZIWhplZ2J8kkqoWam0Nx7XhV+h2LFoifQGA3fYyHOgjwngW3GAg==
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

2026-09-17T10:51:02.120638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055705
observed 090caa42fd414ae119771c769f125720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.103956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055705/manifest.json
observed f3d93da0a326f279969ce21e854a977e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.084096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055705/publication.md
observed 37fde10e782ae2c47c125e7b906a1a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.060348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055705/publication.txt
observed 714f0d03242c1bd90d428d172b058a15...
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.