OpenTechnical

OT-2026-000057699

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000057699) never changes.

Identity and time

Publication numberOT-2026-000057699 · never reused
Internal UUID01a0ae88-2695-772e-8779-d7716a6ce0b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057699
StatusPUBLIC

Content hashes

Canonical texta2efeefa7bcdcca5b809cefe01d015319ce09ca2a73c850238c9efee30b84db6
Markdownefe634b7f26450a7e1cffc094abcab68a544d2f8620988698bc546dddd0f61a8
PDF
Publication pagecba9a772498e2103c71f5832b161e2ea1ab0f787a64423a6ccaed8d88ac25afc
Manifest32f2df6771d364b19d66c86ebad9a5d029f2f962ba68c5a48c5101fdf9bf95d0

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
SignatureA/wjrhq6nWW7skNOR44CkiDg89jsEAQD3Zk56F1FGYvhB+LpYC6h37rJ6p8KiKaPVtKedk8HznyrKeut/duBAA==
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

2026-09-17T10:48:21.832082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057699
observed cba9a772498e2103c71f5832b161e2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.814069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057699/manifest.json
observed 32f2df6771d364b19d66c86ebad9a5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.796300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057699/publication.md
observed efe634b7f26450a7e1cffc094abcab68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.778594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057699/publication.txt
observed a2efeefa7bcdcca5b809cefe01d01531...
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.