OpenTechnical

OT-2026-000102934

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000102934) never changes.

Identity and time

Publication numberOT-2026-000102934 · never reused
Internal UUID01a0aea4-be3c-7e74-a6b8-1f66624d7852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102934
StatusPUBLIC

Content hashes

Canonical textca35c7d22c672a2edaf1849361beed1ca227fa96a7e03bf768db35416bcb9951
Markdown9df9f9f8f17f2eb46a09180684bf8fb51f447f187e117ad917e583fa08cf1768
PDF
Publication page7c7682c2bbe11c8d6e6954655d5233af8507157a2c50d02082e23d26b28624ce
Manifest8f5f92458b77d456fdd8e871d31219ab360b988f4217d2e606f75aa5bc4d9d64

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
SignatureD9aaO00zaiszp4eDgR9vt6JtFhmnju2560gIIIj28qp2gb6zu0UEIVgp25ZipQOVXo0dqAX1/tftwyXGZswTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:02.099973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102934
observed 7c7682c2bbe11c8d6e6954655d5233af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.082565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102934/manifest.json
observed 8f5f92458b77d456fdd8e871d31219ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.063224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102934/publication.md
observed 9df9f9f8f17f2eb46a09180684bf8fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.043386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102934/publication.txt
observed ca35c7d22c672a2edaf1849361beed1c...
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.