OpenTechnical

OT-2026-000059880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000059880) never changes.

Identity and time

Publication numberOT-2026-000059880 · never reused
Internal UUID01a0ae89-ec26-7fff-b6bc-25b6a2cf1acf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059880
StatusPUBLIC

Content hashes

Canonical text4430ff0b1675d6db8dc04d65fabbf139b3f891e2a2af4b457e8697de012641ff
Markdown504715f39de4c8fac37027cb8af13135aa40d554d0564def3f7b9be7f0ca929a
PDF
Publication page5b63f46a295aeaa689fdb2743fb7494d2f271881f636d497a7214ed22c27600a
Manifest8dd8b76f64a964f716e38663f72aec22e01bd212df50327e61b7e1d3960ff0a7

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
Signatureedr5gK4xWpatevhifz3EyqvWX3suUyzF8Z+lJsbmhkzmXik0hiSIzDVwB9sN7g/9XJeN4NwjDwLWYqR1MGj/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:38.242722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059880
observed 5b63f46a295aeaa689fdb2743fb7494d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.224758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059880/manifest.json
observed 8dd8b76f64a964f716e38663f72aec22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.206943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059880/publication.md
observed 504715f39de4c8fac37027cb8af13135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.176795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059880/publication.txt
observed 4430ff0b1675d6db8dc04d65fabbf139...
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.