OpenTechnical

OT-2026-000061602

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000061602) never changes.

Identity and time

Publication numberOT-2026-000061602 · never reused
Internal UUID01a0ae8b-7b45-7d31-b7df-e100ca59e589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061602
StatusPUBLIC

Content hashes

Canonical text7473f9b09616dab6638eb70840a0c27b194bc7d5c299a7f68d21e45758a765b6
Markdown4430033dafc6fbc50b83107b426f53c4ddc9dca2d50814904ba2cf920ee4b0ca
PDF
Publication paged0eabdf3ee8f086e933444411cbba77103f9b56c5e550ec91192673c684ad753
Manifest96bbaf3714e43fbdcb427f0bf819ea03ad7a0e0be3f9991fec9370979fbe403e

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
SignatureMxBzYK8W4vfdI5tkN6nS+H/k4KdYqhMe3MLI3X3blOkIbgPN9p/mn7wnQ3h7tKJzYvSmcol+4jXqK2OxLu8gAg==
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...

Independent retrieval

2026-09-17T10:41:31.795531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061602
observed d0eabdf3ee8f086e933444411cbba771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.777812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061602/manifest.json
observed 96bbaf3714e43fbdcb427f0bf819ea03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.757822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061602/publication.md
observed 4430033dafc6fbc50b83107b426f53c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.739872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061602/publication.txt
observed 7473f9b09616dab6638eb70840a0c27b...
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.