OpenTechnical

OT-2026-000104514

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000104514) never changes.

Identity and time

Publication numberOT-2026-000104514 · never reused
Internal UUID01a0aea5-3422-7068-b631-f8ddcef12253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104514
StatusPUBLIC

Content hashes

Canonical text20bf2b7baed7f976d0f38dadefc62628f71f2ed16d86c4aa11cb29365474be74
Markdown97ca7b26df9254884c8bf09a60d29f98746543227e8c8aeade1a51e14049dbbc
PDF
Publication page2c373df7bf41972121b0fb33b2d7316a0e5b388be6b73277dc34e397358e6ac5
Manifest7c0120f0497988f817b880f3ee777b50b471b65a6845a165fee8e0dd9a415abe

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
Signature1cmzi3FFpx4bCbFEb8dsMtIR8DMFQOmjz/VUixPpOmRRLBN+5/h78v6MF9ZD6XnMN0mmUjYHzjvToqyzIH26BQ==
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

2026-09-17T09:21:48.529093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104514
observed 2c373df7bf41972121b0fb33b2d7316a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.505709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104514/manifest.json
observed 7c0120f0497988f817b880f3ee777b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.484901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104514/publication.md
observed 97ca7b26df9254884c8bf09a60d29f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.464071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104514/publication.txt
observed 20bf2b7baed7f976d0f38dadefc62628...
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.