OpenTechnical

OT-2026-000099706

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-2026-000099706) never changes.

Identity and time

Publication numberOT-2026-000099706 · never reused
Internal UUID01a0aea2-c976-776d-92a2-d1883319c23f · 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-2026-000099706
StatusPUBLIC

Content hashes

Canonical text4c27859bb818d643000ced7e8e8a8b33176da4e9c262346418a3b101db2db807
Markdownb5f6fa51b1ce5176f9d67b7193228ab9720a7755c8471229b1b178ea750cc50a
PDF
Publication page3e1d4eeccaf4667b749e80b63628a431bf642e2fdee929976e22f5fe7e83daab
Manifestf1499772d659ec523a4ea99b085f7f00317072da0e71e2590158798da7952444

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
SignatureYl/6fpRyfmyG3iJOGcXbRmTxp7Kb18t13aI0tXDKbgR8feE8k+Pahpp7KryuQ95Ik8MYBdlDgcN0jXvKrNNkDw==
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

2026-09-17T09:29:43.293202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099706
observed 3e1d4eeccaf4667b749e80b63628a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.276579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099706/manifest.json
observed f1499772d659ec523a4ea99b085f7f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.255442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099706/publication.md
observed b5f6fa51b1ce5176f9d67b7193228ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.236989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099706/publication.txt
observed 4c27859bb818d643000ced7e8e8a8b33...
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.