OpenTechnical

OT-2026-000100810

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000100810) never changes.

Identity and time

Publication numberOT-2026-000100810 · never reused
Internal UUID01a0aea3-66f5-7ea4-b3b8-d4b163aacace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100810
StatusPUBLIC

Content hashes

Canonical text9a738d5c71e0d48d7d5380c785701182f763a9cfa04115c09046072b51894f25
Markdown4ea3dee83ed71d8ce9eccaee5de2f6b53273ba0f6e4c03b84c08e35619644b52
PDF
Publication pagea7c8bf38b5512d4abcec101e18aafd420d2d7a228166dafae5a5768a82ad9873
Manifest136419f677a9a789d04b5f6c156e79dab269b17878823289bbe2685733adef92

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
SignatureA8vWvSKYucvHfhd6ThTpUZoY+dv9O/rhX6yshsHvVQdIWOlCCe6AFMVmvgbWRzcoB5bjV7B13uKGANWt5C5qDQ==
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

2026-09-17T09:27:43.617035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100810
observed a7c8bf38b5512d4abcec101e18aafd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.599878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100810/manifest.json
observed 136419f677a9a789d04b5f6c156e79da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.582719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100810/publication.md
observed 4ea3dee83ed71d8ce9eccaee5de2f6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.564297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100810/publication.txt
observed 9a738d5c71e0d48d7d5380c785701182...
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.