OpenTechnical

OT-2026-000049285

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000049285) never changes.

Identity and time

Publication numberOT-2026-000049285 · never reused
Internal UUID01a0ae81-134f-7ade-b1cc-2a1566dc4236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049285
StatusPUBLIC

Content hashes

Canonical text60a333546996fe358859b6974c3d034cb1fb516d55afc3c1901c613e73797783
Markdown6feb4cde2a60e81c2b13f6eb868f77a2198c31275997b01ea52f0dc063849aac
PDF
Publication page2221856cdc5833072171d688c16308769f1c08793b338f5516fa1e97382d5fb8
Manifestc3e59af4cae23b10f28aaa3499fbddf7e4ad5fb245cbd23c1d50a87ad6c04886

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
Signaturekd5vNELQnMhrPS8tdYYKs3yqN3EmRhFl2oLN6R4rpqfbhTXzUEmYnOezq1ViaVJEpJI0rQr6bpFMvyJTEXucDg==
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

2026-09-17T11:04:08.652221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049285
observed 2221856cdc5833072171d688c1630876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.631333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049285/manifest.json
observed c3e59af4cae23b10f28aaa3499fbddf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.611983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049285/publication.md
observed 6feb4cde2a60e81c2b13f6eb868f77a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.587908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049285/publication.txt
observed 60a333546996fe358859b6974c3d034c...
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.