OpenTechnical

OT-2026-000097715

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000097715) never changes.

Identity and time

Publication numberOT-2026-000097715 · never reused
Internal UUID01a0aea1-92f5-70d2-afc1-dca2238c0de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097715
StatusPUBLIC

Content hashes

Canonical textcafe8f851b6af04da456837ef2daa816bc3b777a0bf5081bb001ee77298302f1
Markdown188d67ede5ee93da68297e95083cc93c3c1a52f2525cfaff089f1c7ff041d799
PDF
Publication page94da67fce391c33ad5c87d3c27469c19e903026e7bd40b5ee168c3a440374af5
Manifest8a0d7d8f4d5103d6167fd96f4716ebf7f61b88cee6b8458d9bd4e5960e2adf86

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
SignatureIyX/NII4BFeRUj3uLDwzuo671jdkcoBvhpNytlMEOi6LDzGbQxTxmyfQFMHSPW8tLGOmoOLKsi2dXiXec3LoAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:44.678642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097715
observed 94da67fce391c33ad5c87d3c27469c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.661805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097715/manifest.json
observed 8a0d7d8f4d5103d6167fd96f4716ebf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.641497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097715/publication.md
observed 188d67ede5ee93da68297e95083cc93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.624848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097715/publication.txt
observed cafe8f851b6af04da456837ef2daa816...
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.