OpenTechnical

OT-2026-000056356

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-2026-000056356) never changes.

Identity and time

Publication numberOT-2026-000056356 · never reused
Internal UUID01a0ae87-4bd2-7657-8898-af89b7af395b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056356
StatusPUBLIC

Content hashes

Canonical textc1733986041b110cd26ff80dc037d12baf2a4989f73c540dcbca5ff2061534ad
Markdowne62ddc2ac8dd9c9a10ee586382f33a2996453125184e8a96cd4ac4dee461f40f
PDF
Publication page6007e46a06198022aa48ecf857f17188a01836adcea287d3946cd01ad0c7f858
Manifest9668efba3ca475afd591fef53c287d3f470ca6ddfb376003ad3afabe7a36603d

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
Signaturerqa5W5W5T9DVZFNVrOiS9p2sVhqKr0LrBbXZrPALqV8xKM0DCAvrTYuSFe2kAjVxh7EkuzSBEWf4PgJaqQKWCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:52.157612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056356
observed 6007e46a06198022aa48ecf857f17188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.139855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056356/manifest.json
observed 9668efba3ca475afd591fef53c287d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.121814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056356/publication.md
observed e62ddc2ac8dd9c9a10ee586382f33a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.090032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056356/publication.txt
observed c1733986041b110cd26ff80dc037d12b...
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.