OpenTechnical

OT-2026-000094991

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000094991) never changes.

Identity and time

Publication numberOT-2026-000094991 · never reused
Internal UUID01a0ae9f-2df0-7dcf-a791-8347757caff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094991
StatusPUBLIC

Content hashes

Canonical text88cfa0420dae2f8a2cd9f0d4c4150c46e029dc32b211ee6a42544aae03fb3af5
Markdown7d20f8ff95e8e185a2d3b8f6c5170c0842e4ac9315e2aab600b55ddb1bd9f198
PDF
Publication page5a4b1f97417052a9f2cba0fc615a122f9ff7533a57cd8a0e83b0f40f0faf28fd
Manifest1a2bf1e5b6ea17bda6745aa82a73fc295d52960d0e08a898b1406ab3aa610126

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
SignatureMp/C2+CuUX+mUku0Hv//qpjTuRq1MwlEl7s4AVWN7VDzTHyN3G/SzIPiviYnIhnsoE/8PHrEPL6JsPZZXLVJAQ==
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

2026-09-17T09:37:32.582849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094991
observed 5a4b1f97417052a9f2cba0fc615a122f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.565405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094991/manifest.json
observed 1a2bf1e5b6ea17bda6745aa82a73fc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.548929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094991/publication.md
observed 7d20f8ff95e8e185a2d3b8f6c5170c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.532362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094991/publication.txt
observed 88cfa0420dae2f8a2cd9f0d4c4150c46...
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.