OpenTechnical

OT-2026-000061806

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000061806) never changes.

Identity and time

Publication numberOT-2026-000061806 · never reused
Internal UUID01a0ae8b-b8ac-7320-a42c-028cd5fb98ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061806
StatusPUBLIC

Content hashes

Canonical text80847b143124958e423c65c84f0a1eb7ea5a338faa324ca6b47ba9fcbfd1a336
Markdownb6fe062f406a1f90fbfe8045a1f4cc5ce84d05513362839a711530461e49568e
PDF
Publication pagec6daed421211cd4f80c9e9cd40b7ed69338d8f27f6745b12f1080bba3e71fd52
Manifestc1c818f4603782404ed78b077ca6e66d168717e8b7ae2a9fcfe658bc210ffb34

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
SignatureS3huamzhgvEkS8ga3QppgNjQGSCAlpNNAxiNNL7Btx/yr5+2ft7zSeNWnVwdzdMOdh5gl8xJgnqSCBdqbkRuAA==
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

2026-09-17T10:40:31.975150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061806
observed c6daed421211cd4f80c9e9cd40b7ed69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.953911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061806/manifest.json
observed c1c818f4603782404ed78b077ca6e66d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.934054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061806/publication.md
observed b6fe062f406a1f90fbfe8045a1f4cc5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.911843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061806/publication.txt
observed 80847b143124958e423c65c84f0a1eb7...
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.