OpenTechnical

OT-2026-000016539

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000016539) never changes.

Identity and time

Publication numberOT-2026-000016539 · never reused
Internal UUID01a0ae6e-2d13-7285-b3fd-ffe01ac33828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016539
StatusPUBLIC

Content hashes

Canonical text80e858d931dff0fb5509428af4d55a6b2cb1c3f96198fe121a1607ab186cb10c
Markdown70d4b848bbcb015ea59453d581e0cb88adfc38aec369bd9a4749ae6bb8ad432b
PDF
Publication pageafc6197999240ea521e7918c8c23738598f05783dd1f77bf0353fab78cfcf824
Manifestfba79c2c94b0da7b5ba6a125cc67d873ae1116fb70eb2b213f7d421948931d27

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
SignatureLVQC4xUrjTEBMPHEDZ7TA8vNEMvX+mZpX7W56KwzgQuInlhSqWiZVWh9RYf93TEvAa/broCKI/6/WGfjvh13DQ==
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

2026-09-17T12:04:45.647474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016539
observed afc6197999240ea521e7918c8c237385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.627636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016539/manifest.json
observed fba79c2c94b0da7b5ba6a125cc67d873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.610789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016539/publication.md
observed 70d4b848bbcb015ea59453d581e0cb88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.593397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016539/publication.txt
observed 80e858d931dff0fb5509428af4d55a6b...
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.