OpenTechnical

OT-2026-000045279

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000045279) never changes.

Identity and time

Publication numberOT-2026-000045279 · never reused
Internal UUID01a0ae7c-f76a-7d2f-bc2c-7773327beb58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045279
StatusPUBLIC

Content hashes

Canonical text0593bb8eb577d2dd17c971bfccb2a369d0d0739f74446e8aa54abbb4f7dbb45a
Markdown66b2a129b32d4c089ec529e647bd9d24c6a3454fef59921dc241e3a57cc839bc
PDF
Publication paged42ed6d36292dc6bbf72d62609af62425d720242fd940f261b4b8364074a640c
Manifest026be0564c4660fa385cf53a9d47b1055dc0dbe0e8574f9389bc18d18f92a936

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
Signaturetx+HGIlYTPhtnwyNl/b+AC4HjK1G+YkU0ALLKHmq2g1zbi5/69GKO+0tUHOO6XSSixLhKdtNEUVpzSSS6ZHzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:29.584910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045279
observed d42ed6d36292dc6bbf72d62609af6242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.566832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045279/manifest.json
observed 026be0564c4660fa385cf53a9d47b105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.546513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045279/publication.md
observed 66b2a129b32d4c089ec529e647bd9d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.529497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045279/publication.txt
observed 0593bb8eb577d2dd17c971bfccb2a369...
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.