OpenTechnical

OT-2026-000061953

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000061953) never changes.

Identity and time

Publication numberOT-2026-000061953 · never reused
Internal UUID01a0ae8b-b8ad-7465-8b14-b1ba28aecf35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061953
StatusPUBLIC

Content hashes

Canonical textd240fc91fd2c2d7811d4278f41fe469efad8b8fac09739ea7c34a12021f431d0
Markdown139da249fd69c5873586d94d11055dd73f7b4ec7faa11acc59c8a5d0b64b8d32
PDF
Publication page504914e7e2f81ba60419a4139e2295cd21bb38afb645dcbe909d56827d290225
Manifest9d60acd6595af2fc6e40b5216981cc4cce52761587bd53265ce33b059b8b3a47

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
Signature24i9CACrElwZon82bzJ2S4aYBMBTGF2UMzHEoTjZZCb9C6pgRIeFUgONB9CwekB3Mg1ZDrYF9JFiyElICQPVBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-18T04:23:13.191788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953
observed 504914e7e2f81ba60419a4139e2295cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:13.171025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/manifest.json
observed 9d60acd6595af2fc6e40b5216981cc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:13.133981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/publication.md
observed 139da249fd69c5873586d94d11055dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:13.040415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/publication.txt
observed d240fc91fd2c2d7811d4278f41fe469e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.441383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953
observed 504914e7e2f81ba60419a4139e2295cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.418527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/manifest.json
observed 9d60acd6595af2fc6e40b5216981cc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.395217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/publication.md
observed 139da249fd69c5873586d94d11055dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.370912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061953/publication.txt
observed d240fc91fd2c2d7811d4278f41fe469e...
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.