OpenTechnical

OT-2026-000087726

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000087726) never changes.

Identity and time

Publication numberOT-2026-000087726 · never reused
Internal UUID01a0ae9a-cd55-7d98-994f-c7f48fb889b6 · 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-2026-000087726
StatusPUBLIC

Content hashes

Canonical textd90d6df144457ebd00a61a9478018a6fc80f08e06aabaa6f3eabf1ada2638947
Markdown528d306743cf2cc3224297a7fe54e371a62de71951f3241b7cc4c54a811a69ab
PDF
Publication page83b5f5b3099827b3ef3b3bc195043c2d1c0e94cc39dfc4825fef573110bec16d
Manifestc29b9cb0d8e706f282a86cab870651fc32cb17dd2ecaabd58f3b7309ebff00c7

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
SignatureJvfRjIVGGL+XlazAaT0yFpoIXT087muKmS9R0a197gjYORVhVEWRj6RlXOcuHow/q97ndf2wuFi0v0CuxUbRCw==
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

2026-09-17T09:51:10.761150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087726
observed 83b5f5b3099827b3ef3b3bc195043c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.746408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087726/manifest.json
observed c29b9cb0d8e706f282a86cab870651fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.729413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087726/publication.md
observed 528d306743cf2cc3224297a7fe54e371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:10.712847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087726/publication.txt
observed d90d6df144457ebd00a61a9478018a6f...
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.