OpenTechnical

OT-2026-000044364

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-2026-000044364) never changes.

Identity and time

Publication numberOT-2026-000044364 · never reused
Internal UUID01a0ae7c-39d7-76c2-bfe8-c855b30f3f9d · 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-2026-000044364
StatusPUBLIC

Content hashes

Canonical text9cef1dd709fc13240dc256bda96466a3ab36e7a2314ae5e24c521c7155009b40
Markdown67f1c590f0d2696ccc301b09f72cba7325a3a68f3c76a17f9794d0d99e3363b5
PDF
Publication pageba9f5ea8287be5dafcfb881b3aed4b6675482612033dde1fb59066bcb168490c
Manifestd938b1e47628d03084a8fc48847a4ab617797c0729981b330efd31a4731750fd

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
SignatureqUH4CmG4aLHlZwlSs7QEaV3pCgEvzqrsE/NOnzz4uWHFWbzYoJKaT6DZkcnWS7dRE6vSrlRowRl49Q+F+QxmAQ==
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

2026-09-17T08:30:29.786866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044364
observed ba9f5ea8287be5dafcfb881b3aed4b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.769418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044364/manifest.json
observed d938b1e47628d03084a8fc48847a4ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.747574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044364/publication.md
observed 67f1c590f0d2696ccc301b09f72cba73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.728329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044364/publication.txt
observed 9cef1dd709fc13240dc256bda96466a3...
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.