OpenTechnical

OT-2026-000026880

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off before set-down

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-2026-000026880) never changes.

Identity and time

Publication numberOT-2026-000026880 · never reused
Internal UUID01a0ae72-3452-7ff8-88a7-54dec1bec400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026880
StatusPUBLIC

Content hashes

Canonical textb000cb77a8271b0793a5fc160f69553374cac26fbb6219c7ae249b933c6b5397
Markdown5a13efc3aa3f9d2f987cb90e1523fa7d091a4c07bd10f4209b88f4733b54ac98
PDF
Publication page4756713b358a55d96f0c02433170c88307cd5ca864b9df54053665ab0e40173e
Manifest6b25a09964a4f6dfdee62b1773105de2e35032c14023582602d028ffb0d09d9c

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
SignatureckK72OmAv+5MLqaq8aFkdDA/zbLB3H8y5x5g1J7mFGozbe3oTPyoM2ltKzFFH/CAkfywyfHPCUacKaJHWCWyCw==
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

2026-09-17T11:43:29.136573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026880
observed 4756713b358a55d96f0c02433170c883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.119860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026880/manifest.json
observed 6b25a09964a4f6dfdee62b1773105de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.104561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026880/publication.md
observed 5a13efc3aa3f9d2f987cb90e1523fa7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.084671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026880/publication.txt
observed b000cb77a8271b0793a5fc160f695533...
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.