OpenTechnical

OT-2026-000061264

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061264) never changes.

Identity and time

Publication numberOT-2026-000061264 · never reused
Internal UUID01a0ae8b-1382-7f36-a3ce-e1361f216428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061264
StatusPUBLIC

Content hashes

Canonical texte7e8da06fb04a1d93ffdaf876af7e7e7ad1e24ee127c7177eac06647cbfb7dfd
Markdown795b4aace39bcb0c439141379269613a82d1c7cfe5de3f8f647e0812604f6cef
PDF
Publication page9f2fc80f3fa8bd722467f3384bb02665a7e1b5694dc134791b9231e1bf967213
Manifestf1976d62130a8554021ee226d36af2ca18f0f730b2d99f9de9051ebdce4e25d8

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
SignatureJ4ABMJd0hFRpfuEwApNp9mT6ZH0L/HAYQaQftUBTQJrQQGcqe+gXNt5BnpL33zUacwP+xvr5yAfP3Fx3KM4sDA==
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

2026-09-17T10:42:40.976729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061264
observed 9f2fc80f3fa8bd722467f3384bb02665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.958625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061264/manifest.json
observed f1976d62130a8554021ee226d36af2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.938874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061264/publication.md
observed 795b4aace39bcb0c439141379269613a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.921921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061264/publication.txt
observed e7e8da06fb04a1d93ffdaf876af7e7e7...
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.