OpenTechnical

OT-2026-000012407

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000012407) never changes.

Identity and time

Publication numberOT-2026-000012407 · never reused
Internal UUID01a0ae6d-39f6-7074-85e7-2d766843da64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012407
StatusPUBLIC

Content hashes

Canonical textadd0d061780d10f2edf9638c651de7395d4705ab558e1bf032b2aa68f9af3680
Markdownf8112737d7f4b9000caa770ace467c6d77a142bffaa1757abc3b942a71e01cd7
PDF
Publication pagef3640ffc737ce7f9f9ee33f0332247a99972cbc565586424c17163695565f3a6
Manifestfceb9844fec9e0588b2dcbe9475b4f0f8fc62b8086f68234a3e8a2d272d74053

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
SignaturehTI5tJ81gGEmP2PULVNIP0u7t4kdzAWtMHaS4RXzj4w3QEHqo0Q/SpfjLcxFjnihiM8krfKH6sNXhBS+DaebDQ==
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

2026-09-17T12:11:54.024670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012407
observed f3640ffc737ce7f9f9ee33f0332247a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.007239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012407/manifest.json
observed fceb9844fec9e0588b2dcbe9475b4f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.985334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012407/publication.md
observed f8112737d7f4b9000caa770ace467c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.966469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012407/publication.txt
observed add0d061780d10f2edf9638c651de739...
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.