OpenTechnical

OT-2026-000099702

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099702) never changes.

Identity and time

Publication numberOT-2026-000099702 · never reused
Internal UUID01a0aea2-c976-75d2-9e7a-f883b81964f8 · 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-2026-000099702
StatusPUBLIC

Content hashes

Canonical text8112cd08dda2ff9bbdac1f43ea69fa951d40972f4413c6cede5f2d37f9a13e9c
Markdownf40b002f5d801822baf555b4174e213b13b7fe22c2ec33814324cc73e089acc1
PDF
Publication pagea44eace86891b2e1ee7c61655da5b097e0573f5b052536836f79aa87785bd606
Manifestd16eb4f213b3bcf50a1b3ff9a3f321d918175ba0ba3f45ee3cd602737d69381a

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
SignatureKv4ys8m2YOfCK8HM61uvdun3960ZAQUafx2ycWDAiQgUB1aGBkl+dOXsz22FYUQ7JVacOcUuPPXfs18rqn4CBw==
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

2026-09-17T09:29:42.987515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099702
observed a44eace86891b2e1ee7c61655da5b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.967755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099702/manifest.json
observed d16eb4f213b3bcf50a1b3ff9a3f321d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.948786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099702/publication.md
observed f40b002f5d801822baf555b4174e213b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.929877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099702/publication.txt
observed 8112cd08dda2ff9bbdac1f43ea69fa95...
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.