OpenTechnical

OT-2026-000026147

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000026147) never changes.

Identity and time

Publication numberOT-2026-000026147 · never reused
Internal UUID01a0ae71-a840-71a9-8d32-489a3f40d0fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026147
StatusPUBLIC

Content hashes

Canonical textddeec96db9533d1b82f879c99dac7dc26042c83c28cb83a050488c830076c489
Markdown597be8811c1b010131e24b8264ce4f557b16628f150518a6e3a47de78077740d
PDF
Publication pagef837a95c661be30e10e9ebb9bc2ff4cef1aef19e089cbc1499a27e82d524c14b
Manifest7e8e5f324c3be490f66319baaf85f1fede4f405d13fcfc2b9d4efda6410e9546

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
SignaturevYRZ+V8YCiSTMSHgOdd3dK6iSaB3ERrxVE9+yS7+V+4OWaEehD82tMQe1DsxpJvZrR6cM+scTDfq+Ljy7zD1AA==
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

2026-09-17T11:46:07.471995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026147
observed f837a95c661be30e10e9ebb9bc2ff4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.453733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026147/manifest.json
observed 7e8e5f324c3be490f66319baaf85f1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.436190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026147/publication.md
observed 597be8811c1b010131e24b8264ce4f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.414966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026147/publication.txt
observed ddeec96db9533d1b82f879c99dac7dc2...
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.