OpenTechnical

OT-2026-000023671

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000023671) never changes.

Identity and time

Publication numberOT-2026-000023671 · never reused
Internal UUID01a0ae70-aed4-73d7-9bec-c54078c3941b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023671
StatusPUBLIC

Content hashes

Canonical text0569e4e0f00b7cf008f56e3976570fe07e6b3c2ff67f7883ced3aa0d2f58d19e
Markdown66583e50755f16a74684922db1b36d77023e2fe3286a8c6faaa2f4dbb8825fe4
PDF
Publication pageef445ba73bcc5bc3eaa8f4c6fc409250b523561cc5d778b2a1a0c064fe9df900
Manifest288cc8d6a1585d2fae659c98ee590777ed51b7b6236abf06fdb04f8a1c6b3924

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/uAVo6teVHvFCV67Pwcfzhptj3Re38owiBTGUJKYnRy5U+PIkNhSNdB1GpSqOxGuo5v42cKruxpjGnBcHicCQ==
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

2026-09-17T11:49:59.482938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023671
observed ef445ba73bcc5bc3eaa8f4c6fc409250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.466456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023671/manifest.json
observed 288cc8d6a1585d2fae659c98ee590777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.447564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023671/publication.md
observed 66583e50755f16a74684922db1b36d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.429883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023671/publication.txt
observed 0569e4e0f00b7cf008f56e3976570fe0...
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.