OpenTechnical

OT-2026-000011953

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off before set-down

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-2026-000011953) never changes.

Identity and time

Publication numberOT-2026-000011953 · never reused
Internal UUID01a0ae6d-1942-7bea-aeb6-2a8a3b58a952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011953
StatusPUBLIC

Content hashes

Canonical text8c1b0d9036461e826a52e3f380353b3f26b3eba65a3f6bf3cdc18ed00e718837
Markdown3ee30204e1c3e6566e11a8fba23a0ac463d0f3c1e8de723af70de5fd1d9773b0
PDF
Publication page72105327059a3617f90d6aa06bf8a862daf6e22951061fd8a8d4ca492ae57da1
Manifest156dbcecfee1a223b3613e668725f777113a48203dd2a480446e657cfa93c078

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
SignatureaamkMbRe2pJpq4y4kgxNZ64dzxlgRFSSwILbq9xCUwEtd2EIRBrFW8G1gG4f5T2Rz4AN8mho5esEDUAkLvVlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:47.974416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011953
observed 72105327059a3617f90d6aa06bf8a862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.954723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011953/manifest.json
observed 156dbcecfee1a223b3613e668725f777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.935982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011953/publication.md
observed 3ee30204e1c3e6566e11a8fba23a0ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:47.915189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011953/publication.txt
observed 8c1b0d9036461e826a52e3f380353b3f...
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.