OpenTechnical

OT-2026-000060938

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000060938) never changes.

Identity and time

Publication numberOT-2026-000060938 · never reused
Internal UUID01a0ae8b-12f3-7ce7-bc7c-8103f8282de3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060938
StatusPUBLIC

Content hashes

Canonical text2ab9324056cd71dbddd83688d1bf5b2dd2718be1f79a3311e0f884a98d10218b
Markdownd4076490e93479e8768e9334223ce2adf1c6faea9605a0c018914c624bfdeac0
PDF
Publication page8b2a5a8f10a2c1cc0d3a12b6f7a3f38db9af99ca18508c9a299110d1b34ca338
Manifestf24333810304a0713d1eb921c3d3622009886acaa41d69134cbdd7c4995f74b5

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
Signaturepp6pV0MYdvz1H9a1xKE2L1zBD3cn11hgTm0EtNkL38qMeaNdcOQ2RSPuF6I3yBhGw3WSzpdfoN3KJLtEKOPTBQ==
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

2026-09-17T10:42:12.654108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060938
observed 8b2a5a8f10a2c1cc0d3a12b6f7a3f38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.634886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060938/manifest.json
observed f24333810304a0713d1eb921c3d36220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.614810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060938/publication.md
observed d4076490e93479e8768e9334223ce2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.597479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060938/publication.txt
observed 2ab9324056cd71dbddd83688d1bf5b2d...
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.