OpenTechnical

OT-2026-000030015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000030015) never changes.

Identity and time

Publication numberOT-2026-000030015 · never reused
Internal UUID01a0ae73-ac49-706f-a2e1-d84c0282d735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030015
StatusPUBLIC

Content hashes

Canonical textd723e302720638a9593b1fec9377640d650f851c84605d1b7ba05e00a563e1d2
Markdowne826240b0ddfeb2c91261b85d78449504b5817cac44aa00f00de05ebb4d083da
PDF
Publication page8c455aded6f892289b941c15c5a75af026e762454cffbf8e5111344e9779db79
Manifestf5ebd329fc362c0b566d87a7464177139af050bfc8dec9b3ffb3e51b9e056bd9

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
SignatureM6nkvZJhf3VJtV5e5ukCNgO3rYl0o50nTDjZMteLj4UzNbWUaUgVPA97yBEj7Zl8qlQZk7rcC0TvKA2WpLsFCw==
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

2026-09-17T11:38:44.957304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030015
observed 8c455aded6f892289b941c15c5a75af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.940543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030015/manifest.json
observed f5ebd329fc362c0b566d87a746417713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.925048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030015/publication.md
observed e826240b0ddfeb2c91261b85d7844950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:44.908350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030015/publication.txt
observed d723e302720638a9593b1fec9377640d...
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.