OpenTechnical

OT-2026-000082815

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000082815) never changes.

Identity and time

Publication numberOT-2026-000082815 · never reused
Internal UUID01a0ae97-8cc9-706c-ac56-a94778c168c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082815
StatusPUBLIC

Content hashes

Canonical text19e2bfe27641c78bbb58cab967f3a4f631b792c07cc4338c03560512068cbac1
Markdown744277425de2d398b61c002be1504cbd113b7767b315c6e1b207d9280b95269d
PDF
Publication page661249b3c588c88cb2743621ed6105addcc38d7c8cb2728e00d1e2b14f36f0ef
Manifest50b42e04fce883a97d9368a3752f2c5bbe4b66e882c4d727d10b603fc8d3c1b9

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
Signature6Bt6YnyXiC2zhkZkYFS58M7F72NOtAtWCyJAt40M8GFTs5TzeDajAFZyL8cUoYsT2a6z+YmJTv8ok8lEv2N7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:24.677632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082815
observed 661249b3c588c88cb2743621ed6105ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.661393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082815/manifest.json
observed 50b42e04fce883a97d9368a3752f2c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.644775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082815/publication.md
observed 744277425de2d398b61c002be1504cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.627952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082815/publication.txt
observed 19e2bfe27641c78bbb58cab967f3a4f6...
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.