OpenTechnical

OT-2026-000099704

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000099704) never changes.

Identity and time

Publication numberOT-2026-000099704 · never reused
Internal UUID01a0aea2-c976-71df-bf5a-4cca221d5da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099704
StatusPUBLIC

Content hashes

Canonical text5a72486f02f623ce8b7e7370db4bea215d49f9f68b2e88e6b67963f60ce2cafa
Markdown60e99415d49ad7cb26db51f39a63bbe9ff1110a931e46eacec215fec61ab223b
PDF
Publication page679692e780cfa581b7408515c46cc097c390e5b307eed20e8279d0561179921a
Manifest4e134f4f13d8eaed35bb6f5441f20405d9fa06a49bd9b78dc587b87b94ad60c8

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
Signaturewo21B41UfQKPkzCGaS0T/tWvIEG1715ZsMDW8ySC9oO4fCBaRjts9o0S6F9ETQW7hWAQng+1T68LIS74xE7oDA==
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

2026-09-17T09:29:43.146327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099704
observed 679692e780cfa581b7408515c46cc097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.125775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099704/manifest.json
observed 4e134f4f13d8eaed35bb6f5441f20405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.107312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099704/publication.md
observed 60e99415d49ad7cb26db51f39a63bbe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.089654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099704/publication.txt
observed 5a72486f02f623ce8b7e7370db4bea21...
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.