OpenTechnical

OT-2026-000032207

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000032207) never changes.

Identity and time

Publication numberOT-2026-000032207 · never reused
Internal UUID01a0ae74-f7a7-70a5-86f0-284d1182cd85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032207
StatusPUBLIC

Content hashes

Canonical text9ec5cce5d34bf17164dbd665dbc2de94693dfd111cc977f6604b1c45168a585b
Markdownd064040e2f46463bafee212df6655792ff7d40eb55b596ef8f1a549cecd4225a
PDF
Publication paged0461aae2b1aa2d1d2c18f050fa496ecb79bb55f4f11adcf6a89beca85e16c63
Manifeste8cedb34bf0b3143c5e742f034530806bf9f0245b4b863468c0431ab6e21d7f0

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
SignaturepQjLc4b4H5c/UYSZcXw0fcvrjKd1Ap+Ul8URSI1Y4c2ZsM7Hj4rWDAwnCJyoaRV7kCQs2tS8EzA+fO72nGtqBA==
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

2026-09-17T11:34:33.236003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032207
observed d0461aae2b1aa2d1d2c18f050fa496ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.218148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032207/manifest.json
observed e8cedb34bf0b3143c5e742f034530806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.200940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032207/publication.md
observed d064040e2f46463bafee212df6655792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.180968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032207/publication.txt
observed 9ec5cce5d34bf17164dbd665dbc2de94...
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.