OpenTechnical

OT-2026-000061578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000061578) never changes.

Identity and time

Publication numberOT-2026-000061578 · never reused
Internal UUID01a0ae8b-7b45-7301-8569-465df4fd2090 · 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-2026-000061578
StatusPUBLIC

Content hashes

Canonical text51e03772b7874f0f0916a4d24063aafe7bec7117d399870962c76cfe6f58dbe9
Markdowndfbf7441060eb1af22fd8f463ab08c6e7c17918a47b5a899e0b0113374c270b1
PDF
Publication pageace1f84374091e27e244a0738055b584baf50981959c0abeb76eec052f9cea10
Manifest231ee4a34c53c26f9b73e8f4b14777fa0a65815aaeb2dd432132fca23b69d88e

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
Signature74SgMcJ+BQG6jSpp2fv35m9sdy5MslALmdCZK74VPzsYoBgP9hpS0kOR2lrXKCxPZRkBjdVFzFeF7YdZTYtoDQ==
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

2026-09-17T10:41:29.876944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061578
observed ace1f84374091e27e244a0738055b584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.858888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061578/manifest.json
observed 231ee4a34c53c26f9b73e8f4b14777fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.840844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061578/publication.md
observed dfbf7441060eb1af22fd8f463ab08c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.823566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061578/publication.txt
observed 51e03772b7874f0f0916a4d24063aafe...
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.