OpenTechnical

OT-2026-000101826

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000101826) never changes.

Identity and time

Publication numberOT-2026-000101826 · never reused
Internal UUID01a0aea4-0e18-7550-b199-f5324c1563d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101826
StatusPUBLIC

Content hashes

Canonical text5f84d816713c0932f91c5f24bf5288f6a7991179a073d460fe88ad0e2464aba8
Markdownd29eac9846bea01778f26e8af3bf1c5cde7392f4267457803df588f48f1bf885
PDF
Publication page40ee89ae7e4d4e358c0bd076ad511477c6d5e6294c5caf7821a20400d27cf0c2
Manifest6810abc3dbb25cad35a59e922d0b8cd314255c43c34c3ac6f78e512f4b9d364f

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
SignatureQb/Cm+B/4D0STnoaAzmaIEnFJ46+1swkRl8UVX+GJdsGDXUZR5A+yneH95+G48FjXfuNcUA4VFYyT6QM8ASpAw==
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

2026-09-17T09:26:19.621203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101826
observed 40ee89ae7e4d4e358c0bd076ad511477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.603805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101826/manifest.json
observed 6810abc3dbb25cad35a59e922d0b8cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.586141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101826/publication.md
observed d29eac9846bea01778f26e8af3bf1c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.568169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101826/publication.txt
observed 5f84d816713c0932f91c5f24bf5288f6...
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.