OpenTechnical

OT-2026-000060504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off 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-2026-000060504) never changes.

Identity and time

Publication numberOT-2026-000060504 · never reused
Internal UUID01a0ae8a-b7cc-7ce2-88e1-f434ef485383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060504
StatusPUBLIC

Content hashes

Canonical text4418a4ec6d1e1ad1cd50e4557d47a93fc5ff6e7a817b089fa2850d99f8a0e516
Markdown50bf5d475177a778a4aa7dfebc944b035c57336fe0751be08ad7539468a0a626
PDF
Publication page7d3036374ff802a755814ca936d58d0326152882470d631282bd951f2a445dda
Manifestf6f2c3a23c6ff43db72dd51752a54ea0c4f38ed8b690e32f0ea5c3cbf06924dd

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
SignatureHdZroXGdOdjQi6H17k8iwesm0bv0atfdofkUGA/7UqtNHpQ9NPKYr71c0HutD8E7ue9KB5Qgv/elcfZ7uC9xBg==
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

2026-09-17T10:43:00.188314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060504
observed 7d3036374ff802a755814ca936d58d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.169035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060504/manifest.json
observed f6f2c3a23c6ff43db72dd51752a54ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.150859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060504/publication.md
observed 50bf5d475177a778a4aa7dfebc944b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.133407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060504/publication.txt
observed 4418a4ec6d1e1ad1cd50e4557d47a93f...
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.