OpenTechnical

OT-2026-000052536

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000052536) never changes.

Identity and time

Publication numberOT-2026-000052536 · never reused
Internal UUID01a0ae84-573a-7880-b301-f85cff98d636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052536
StatusPUBLIC

Content hashes

Canonical textf597f31bd7cf63ec024ea61dc5bac7b30618017ae997578bbb29ac3a370cbb2a
Markdownfd93ae897b6a7e24bec6eade16090928210732fc1183a4c1fabe39c69c48fabe
PDF
Publication pagefb9b34eda22422ff1249c98daf9cc6aa9d74e4f4639af9c1236fe165daebba34
Manifest357f2e771f60591a910ba0c82440542ce355130dc3459bc353ededbcba6b5d81

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
Signaturec3dNCaS3OIoTdDVsTLryUIYzG6EgMcchmNzjf0jR3+SOKHcPpbbWFl3M64bxpdDcuUQZfCouyWFT/89Ef2qoDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:11.109483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052536
observed fb9b34eda22422ff1249c98daf9cc6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.090196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052536/manifest.json
observed 357f2e771f60591a910ba0c82440542c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.071865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052536/publication.md
observed fd93ae897b6a7e24bec6eade16090928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.054771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052536/publication.txt
observed f597f31bd7cf63ec024ea61dc5bac7b3...
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.