OpenTechnical

OT-2026-000031799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000031799) never changes.

Identity and time

Publication numberOT-2026-000031799 · never reused
Internal UUID01a0ae74-bad1-7e56-8853-c29e77da0c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031799
StatusPUBLIC

Content hashes

Canonical text799d785cd1831fc3f846937ae0c07079441d9b0d5ff57f9eca056405cc83db4b
Markdowne7086595810ce5da1dab3b8bf720e7bd068b822b8afc2cea74a100792f834879
PDF
Publication page4e9e3249fd1b04b401a91bf547f20c4a6c06d6ea1cd3209c3f95768724346cb9
Manifestf90b78cf89720b0c67483291aa6566b28b51682e8e20bc4e7f1e7f2cc9c5daa4

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
Signatures1twb5dj3bsdtddhSHiqdoV4n0l29PYl7BjBmvDjoyvUgzs8m571LOipscpw9GFsP2MIPVlFKVmVtw1LIcZtAA==
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

2026-09-17T11:34:56.171407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031799
observed 4e9e3249fd1b04b401a91bf547f20c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.138896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031799/manifest.json
observed f90b78cf89720b0c67483291aa6566b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.112452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031799/publication.md
observed e7086595810ce5da1dab3b8bf720e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:56.088456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031799/publication.txt
observed 799d785cd1831fc3f846937ae0c07079...
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.