OpenTechnical

OT-2026-000099810

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000099810) never changes.

Identity and time

Publication numberOT-2026-000099810 · never reused
Internal UUID01a0aea2-c978-7ec9-8968-664d3a999908 · 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-2026-000099810
StatusPUBLIC

Content hashes

Canonical text2fd53a8f7b07b155016ecc108385a4ede9873c465d5af1969940744be7eb17a5
Markdown3de0aa8ee95974d9143aa6087f03ebcfcd5b8abe15f5902b6d598b4cca240f7f
PDF
Publication pagece0ccdf068f0432f8ba6fe8f307cfc1b9ae86a4c34dadc272e32abd18c08f878
Manifest3e66b0e76e2a9630d0bd13486ff2d0e54b85e3697140c423e61852ef71e6c9a1

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
SignatureI95fPv4mThKCm+hAvqONm0fNFSlE56iq2GhtGX68pxiRlbw9lRAXMgdS2UsbJpkB84aFxOtI4JZzRzdc5MpWAw==
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

2026-09-17T09:29:50.957130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099810
observed ce0ccdf068f0432f8ba6fe8f307cfc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.939815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099810/manifest.json
observed 3e66b0e76e2a9630d0bd13486ff2d0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.923215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099810/publication.md
observed 3de0aa8ee95974d9143aa6087f03ebcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.905627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099810/publication.txt
observed 2fd53a8f7b07b155016ecc108385a4ed...
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.