OpenTechnical

OT-2026-000087698

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087698) never changes.

Identity and time

Publication numberOT-2026-000087698 · never reused
Internal UUID01a0ae9a-cd54-72a2-9848-e78db277fe1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087698
StatusPUBLIC

Content hashes

Canonical text47d87422d2e61ad890ddc63e7732feeca038d2ec30c034769cabaf06a3ce0349
Markdown3aac074850ff69adc39700ad109ca23b5c44266f7a99759874d1db11263f6d32
PDF
Publication pagec370bae58135d69b5bac819fc02644203e6aca598773a616ad45bf46fd4b574c
Manifest1e574c21ce16d92a112683d632adceca7bcb9feeb6be9f2f0fe67a8d0a593488

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
SignatureRLcg4xF//ZtZL6JjxhLiOk36hZlpPnjl94LxLvvLcAJ3yduljQ7YkLw8hTNK/O4jEVhJI6F8X+c2IenN9vW9Bg==
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

2026-09-17T09:51:08.879325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087698
observed c370bae58135d69b5bac819fc0264420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.862764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087698/manifest.json
observed 1e574c21ce16d92a112683d632adceca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.844420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087698/publication.md
observed 3aac074850ff69adc39700ad109ca23b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.827107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087698/publication.txt
observed 47d87422d2e61ad890ddc63e7732feec...
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.