OpenTechnical

OT-2026-000061568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061568) never changes.

Identity and time

Publication numberOT-2026-000061568 · never reused
Internal UUID01a0ae8b-7b44-76fc-8037-1d73ff9f5c78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061568
StatusPUBLIC

Content hashes

Canonical textfcfb4c4be80334abfa277f6e03b0a5467fa8faa8ac6fd6024c18b63513ca5a45
Markdown80703846f2a057c87d4251c081294b28f27322249509a656cc4a67bb89474e29
PDF
Publication pagebae7d2bd5deb87d9f5b4890f3363d8f430a02b89d0482ccca2028bc460fea646
Manifest6f39e21a47cddb14ec726f9021be71f7566f5105f3fe2d5c66a549ecf11de4a2

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
SignaturePLLdUrcas981QMWm9DMvnR3AezPvHreEUQUDBl/diNcZkeMMZrfrSLJleoHnCWFl+CWPod+RSkbwV1iO+qwfAA==
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

2026-09-17T10:41:29.122466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061568
observed bae7d2bd5deb87d9f5b4890f3363d8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.101867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061568/manifest.json
observed 6f39e21a47cddb14ec726f9021be71f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.080901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061568/publication.md
observed 80703846f2a057c87d4251c081294b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.059701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061568/publication.txt
observed fcfb4c4be80334abfa277f6e03b0a546...
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.