OpenTechnical

OT-2026-000044352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000044352) never changes.

Identity and time

Publication numberOT-2026-000044352 · never reused
Internal UUID01a0ae7c-39d6-70b9-8d1d-b7d972778125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044352
StatusPUBLIC

Content hashes

Canonical texta9866c74d512711b2e56ae743fc164505bc5a61b67d4829d079fbda13168ceba
Markdown7e0bf482d3682c351bf8a04e17335660569a2826ddc7bcb7a8b4f382f10b86db
PDF
Publication page76757eb3075eafb9aaf8e59ab89f393ee63b724fd6afde72b31e115906b3b8a3
Manifest838b7c6bd19c06764d1fafca7873da75f596383a2f5dbbcfef8760a5527af780

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
SignatureyobRtcp9s5GyEJhVeUkyq7LvHPfif+OZhMH3MUSXKdg2gW38U9D5aM4Uj/bsm6Sf+DeJ8cCq0iTB/CrpWC5uCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:27.298976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044352
observed 76757eb3075eafb9aaf8e59ab89f393e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.281724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044352/manifest.json
observed 838b7c6bd19c06764d1fafca7873da75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.262052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044352/publication.md
observed 7e0bf482d3682c351bf8a04e17335660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:27.242128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044352/publication.txt
observed a9866c74d512711b2e56ae743fc16450...
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.