OpenTechnical

OT-2026-000101076

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101076) never changes.

Identity and time

Publication numberOT-2026-000101076 · never reused
Internal UUID01a0aea3-c377-70e0-8132-adb9f5a36a77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101076
StatusPUBLIC

Content hashes

Canonical text0ad2c2b19eb7491ce2b101f974a67d45183b29fdb5044f347a6c1220a68d21c7
Markdown8d13488fa84cb9962cc4e12e544adea322f2ed88a4e82c35c8e1673c66c3c529
PDF
Publication pagec873be50d318fdff2f025d92e149e419cf75e3fca8a594dc6900d4019f68d7db
Manifest7d1da7a70583b2327c223e8b068d8552f97e8b91ead5263dda011b2df954a166

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
SignatureTkWwJ7+9E4Alvfx6uzJomWCa44CfOADgDWpI+zUFzD1YvrvSsgvXbVUWzHkIKgB4dts8f0zDwTLWiw1jKr0bDg==
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

2026-09-17T09:26:41.662460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101076
observed c873be50d318fdff2f025d92e149e419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.644521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101076/manifest.json
observed 7d1da7a70583b2327c223e8b068d8552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.626618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101076/publication.md
observed 8d13488fa84cb9962cc4e12e544adea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.609361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101076/publication.txt
observed 0ad2c2b19eb7491ce2b101f974a67d45...
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.