OpenTechnical

OT-2026-000100162

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single 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-2026-000100162) never changes.

Identity and time

Publication numberOT-2026-000100162 · never reused
Internal UUID01a0aea3-3052-7202-a773-fd532175ecd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100162
StatusPUBLIC

Content hashes

Canonical text74134771c2bea0547a60f2b7aad4e6330e4fed39e29cca575ef69f4c9a094e16
Markdowna29413a06ce11b50c0e231ac8c79c156fd4797f9a1c55edabdedcd83e9a9544b
PDF
Publication pagef98810ada00edd0a6d218c10004e8abe0c315deb08f4cdd34c39d51c5b5370cb
Manifest42687e3d312dd9a692174ce6df2aaea234c6a977b392be01769a42a5757da7e8

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
SignatureVGlolWogebjL6MSuyy4CwL7Ccu6pr5M8qfGBLI2uo1VjSgwykl8OToKAVbGjWgn4/EHam0z4v4kIc6bRtPZNDQ==
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

2026-09-17T09:27:52.244799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100162
observed f98810ada00edd0a6d218c10004e8abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.227139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100162/manifest.json
observed 42687e3d312dd9a692174ce6df2aaea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.209432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100162/publication.md
observed a29413a06ce11b50c0e231ac8c79c156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.190546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100162/publication.txt
observed 74134771c2bea0547a60f2b7aad4e633...
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.