OpenTechnical

OT-2026-000086278

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000086278) never changes.

Identity and time

Publication numberOT-2026-000086278 · never reused
Internal UUID01a0ae9a-2c95-7f7a-8175-46138a91cb83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086278
StatusPUBLIC

Content hashes

Canonical textfaa26281dbfc45d3fbc375aa3f5acd1e4aed1cd25df2f680dd4f125331560ba9
Markdown3bc66b80c7658ae0894c560cbc2c6e76b998034556c9e71021aba33f84c4a59d
PDF
Publication page944e9b704cc09e809a1e117329c9a12db852373483d7e23ce0d14bc38fed01a5
Manifest9db6084170e5d8622d3e81a19653fa7c5b413de1fd7f4982c07553909c712344

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
SignaturenrD3CevGbHDf9jLtnAsp6xlzyTwBpJhDG3Dt8Yf7Mu0AJXDRMF5V3JQzm54dmyGgWy2SxAtd3xwA7lM1zW9/Cw==
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

2026-09-17T09:51:56.974498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086278
observed 944e9b704cc09e809a1e117329c9a12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.955779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086278/manifest.json
observed 9db6084170e5d8622d3e81a19653fa7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.935391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086278/publication.md
observed 3bc66b80c7658ae0894c560cbc2c6e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.915517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086278/publication.txt
observed faa26281dbfc45d3fbc375aa3f5acd1e...
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.