OpenTechnical

OT-2026-000059568

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000059568) never changes.

Identity and time

Publication numberOT-2026-000059568 · never reused
Internal UUID01a0ae89-ec23-73b1-a08f-63a6bd89f0da · 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-2026-000059568
StatusPUBLIC

Content hashes

Canonical text23eccb5bebdcb0d3379b6434c11445a8b3b50b1cf751573e62b7d5ef5d92bfb3
Markdown9fbe65ca7ef8ab542c4e1a999809b9a111b9d73b27f42023fb270c0ffbc76acc
PDF
Publication page846a082ca59e3ce914c24cb85bedbababd0df9622a16fe8003433629f12f37dc
Manifeste1710ede87a6b2470c397e07c7a14e24de4d953a970e55efaa87c01c725baaa0

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
SignatureVR2FYakIxzte83qLXopp8LYWRIa7FNphNO0aP21vDhs7K/iQZt+DLZ4/9G596D30Ni+XFWhaUwCF4AVc3OwUDw==
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

2026-09-17T10:44:12.970663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059568
observed 846a082ca59e3ce914c24cb85bedbaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.952637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059568/manifest.json
observed e1710ede87a6b2470c397e07c7a14e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.934799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059568/publication.md
observed 9fbe65ca7ef8ab542c4e1a999809b9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.918691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059568/publication.txt
observed 23eccb5bebdcb0d3379b6434c11445a8...
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.