OpenTechnical

OT-2026-000061862

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000061862) never changes.

Identity and time

Publication numberOT-2026-000061862 · never reused
Internal UUID01a0ae8b-b8ac-7a37-8086-ee1a0abc4e31 · 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-2026-000061862
StatusPUBLIC

Content hashes

Canonical texta64c1728c2c4b14da5dfcf5b222e662ca74692f68f2d7c5efce43f0c3af35738
Markdown199da08c4d00765046f8d6c4b973d0b51708c7330db6f62f7d688c120d943367
PDF
Publication page707fec0a79bc09edca5525c711b56ccab0b69b86440eb40ad79c58ffb620e672
Manifest4a2fd8041813a595ef9d1ded0e441596571f81156c4193371064677dc3b72f1d

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
Signature+40KQBmeDHvs0CTcNo9X0urKttROHPIrhqcjqB7V5wFDd+PnuUdrrnRoXvsR2WdIxHMKMeSp7NwZBodhR/hICg==
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

2026-09-17T10:40:43.140090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061862
observed 707fec0a79bc09edca5525c711b56cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.120336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061862/manifest.json
observed 4a2fd8041813a595ef9d1ded0e441596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.101018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061862/publication.md
observed 199da08c4d00765046f8d6c4b973d0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:43.081458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061862/publication.txt
observed a64c1728c2c4b14da5dfcf5b222e662c...
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.