OpenTechnical

OT-2026-000012879

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000012879) never changes.

Identity and time

Publication numberOT-2026-000012879 · never reused
Internal UUID01a0ae6d-5563-7bbc-bcc6-e66c25b6a2c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012879
StatusPUBLIC

Content hashes

Canonical textd9ce07477c0ca6bc99ce4c781bb705abecc0f8e7cd4e518ffb55cf1581e853f1
Markdown8d9880a16a25c8e06283c1f3c2705ab9dcbfa3d7a5658712cbbdb316458bce63
PDF
Publication page222d0ab9eb5918a9715d36cc32c6bb8ee3bfc62c12846606c207f736ff01c81c
Manifest5b21c3aa6d7569b3c962fd52fb8f4129996269de32cbd9f4592dbd313eacb2fc

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
SignaturetX0xn/ki7k752XKQfdpPKmF0fvVqlMUl4AGo1qJGtAOYi1U0BAzB08l+Qv4j2k5UU3AO8vjWwkGQyRjNiXW9Bg==
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

2026-09-17T12:10:39.948551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012879
observed 222d0ab9eb5918a9715d36cc32c6bb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.927886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012879/manifest.json
observed 5b21c3aa6d7569b3c962fd52fb8f4129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.909691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012879/publication.md
observed 8d9880a16a25c8e06283c1f3c2705ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.892725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012879/publication.txt
observed d9ce07477c0ca6bc99ce4c781bb705ab...
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.