OpenTechnical

OT-2026-000039809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000039809) never changes.

Identity and time

Publication numberOT-2026-000039809 · never reused
Internal UUID01a0ae78-d8d5-7969-a132-17ca382e1a31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039809
StatusPUBLIC

Content hashes

Canonical textf405fae9c3dd47035b09e7bfac9442b4f27b971a0a8fed665b48d64a63090249
Markdownf2107a731132f65474d932d7067c6b9027e86753e22bfd651e2278c5067b68eb
PDF
Publication pagec5fda6e58ccee82c7ccaf51c822571476dfca8e1e8f95d2b1c76fe0e52132e20
Manifest02cb11f773f9c6f14f66aad370bcad5de69d55e2bb851c646ae04e749f4ae80b

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
SignaturetfCWBLFbjFAsha+FlyFzD8iRESfLovc6GegFS5De+KOIhdIAH5fErNc9TLjRSnn+5OKDcljzyT32+ol2bbe1DA==
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

2026-09-17T11:20:02.270625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039809
observed c5fda6e58ccee82c7ccaf51c82257147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.251472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039809/manifest.json
observed 02cb11f773f9c6f14f66aad370bcad5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.234501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039809/publication.md
observed f2107a731132f65474d932d7067c6b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.215840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039809/publication.txt
observed f405fae9c3dd47035b09e7bfac9442b4...
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.