OpenTechnical

OT-2026-000098780

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000098780) never changes.

Identity and time

Publication numberOT-2026-000098780 · never reused
Internal UUID01a0aea2-42af-79bb-a722-3656a216190a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098780
StatusPUBLIC

Content hashes

Canonical textd0a18cf013608d3181d4310b09b5a7ef6bf124c19eea2c2658524586d742d7e6
Markdown56a7f3594603c0d868b73ab6445dbcad61f0f545e07a30624ad403fbc27ab6b3
PDF
Publication page1299a51ba6a7b6ec3661d2d821391821a0dcaadb08a772bc28f53e1765f5a3b7
Manifest989560ea3f575e4bb2a1af100bc7efffdfecf9e79e7a307195ac80ee726ba3c2

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
SignaturegPENALej5EO++UQfho65kT7g7A+NpWUcp3EijSUADQZ3YwpUF3cHc4G1VTb8K/QDera+A50Nez7xl0c+Dy+6BA==
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

2026-09-17T09:31:06.258832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098780
observed 1299a51ba6a7b6ec3661d2d821391821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.241261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098780/manifest.json
observed 989560ea3f575e4bb2a1af100bc7efff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.222457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098780/publication.md
observed 56a7f3594603c0d868b73ab6445dbcad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.203834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098780/publication.txt
observed d0a18cf013608d3181d4310b09b5a7ef...
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.