OpenTechnical

OT-2026-000062042

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000062042) never changes.

Identity and time

Publication numberOT-2026-000062042 · never reused
Internal UUID01a0ae8b-b8af-7395-8c4f-984f18550180 · 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-2026-000062042
StatusPUBLIC

Content hashes

Canonical textfcf25ebeaba7c3cd2fe2d5b103068715beed1dc0bcb45f449fd153b331c83970
Markdownc44f84856818270b15982e0ad007b0f4e9134ca931c013803247b92d4a879dd2
PDF
Publication pagee643d803935630154be98511dca40193acd102b3031989e51d8858cc19d88970
Manifestce0c17d2922819a3bfe492a7817213292a0b9edd2a2d3ff066b0b9a2ef1830a5

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
SignatureZtb2V2DHWqkg4OYtImVsxHaBklaG34pbWRpyBsEaEbLnOLWaccG/XGipUlebPy1Q1+3rfQVdGK3HrbxdOnViCw==
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

2026-09-17T10:41:04.903458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062042
observed e643d803935630154be98511dca40193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.883601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062042/manifest.json
observed ce0c17d2922819a3bfe492a781721329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.865816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062042/publication.md
observed c44f84856818270b15982e0ad007b0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.847232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062042/publication.txt
observed fcf25ebeaba7c3cd2fe2d5b103068715...
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.