OpenTechnical

OT-2026-000049617

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two 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-2026-000049617) never changes.

Identity and time

Publication numberOT-2026-000049617 · never reused
Internal UUID01a0ae81-8fed-7fcb-8218-d3f176bbf198 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049617
StatusPUBLIC

Content hashes

Canonical text2cb1043ccb071daa6c121ae925d27ccd68cdd9fbfa43c70a0b2fb2433170af68
Markdownf753c4881db7f253586d91ee571903cde36383f87551b829266e395fecd6b77b
PDF
Publication page90a6751f78a0b73830f8c27d2cfe31540d80df58c9f9c5a56080c8a1c247808f
Manifest7b54154374d7cc3a30171e1e20bf1d0689d4ef6b2fa53fa8ede2e88379dd673b

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
SignatureCV3MVYe5JZ8JmDeqj9wLOOlp5/aYOeMDbbjTn+LBBFVdt+ZfUAJ+LepMPoumEsD5qG0AzyDxC8T+Iqn1MeLWCg==
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

2026-09-17T11:02:36.233835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049617
observed 90a6751f78a0b73830f8c27d2cfe3154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.214837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049617/manifest.json
observed 7b54154374d7cc3a30171e1e20bf1d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.195167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049617/publication.md
observed f753c4881db7f253586d91ee571903cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.175709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049617/publication.txt
observed 2cb1043ccb071daa6c121ae925d27ccd...
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.