OpenTechnical

OT-2026-000032573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000032573) never changes.

Identity and time

Publication numberOT-2026-000032573 · never reused
Internal UUID01a0ae75-106f-7b16-8c02-0fa3bcef115a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032573
StatusPUBLIC

Content hashes

Canonical textec6b00113681df005fcae860e64ab959b10b3b488a5a1acc61476eb293db38c0
Markdownbe60167595d51b892239dc276c57b92925d81a68dc6dabd37af6857a9c5086d9
PDF
Publication page81f729d2360123b9cb833b0cd2a32a26cb98f36737180d83b53c800666a2a969
Manifestf969568c879b509ae61fef9fdf4be443119a4c11369bd8a2f5109852963daf89

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
SignatureTAUn+WxNjnA/+eyrAenqoVILG6dF74h7eA/R2pa70sbUlb26HzHLRzU8HJw9NHN0L+LlXagUFZmfeR6O90x8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:08.809584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032573
observed 81f729d2360123b9cb833b0cd2a32a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.791729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032573/manifest.json
observed f969568c879b509ae61fef9fdf4be443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.774920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032573/publication.md
observed be60167595d51b892239dc276c57b929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:08.757776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032573/publication.txt
observed ec6b00113681df005fcae860e64ab959...
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.