OpenTechnical

OT-2026-000031455

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000031455) never changes.

Identity and time

Publication numberOT-2026-000031455 · never reused
Internal UUID01a0ae74-87ae-7ef1-aba7-510dc8719737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031455
StatusPUBLIC

Content hashes

Canonical text02aba2ce8523addac7857e39686bd2e22a275dc9409ad7bc87cbc159a6e82e99
Markdowna28cdc808f6ba036b2ec6dd0488ea006a3075b5a51e668550e63588b19310480
PDF
Publication pagef7c70b6c0222ea4609565faecc9f4ef6f2651dfbc119a7fdf1017229ffbb9f69
Manifest85d84f318d0ace5ee02da79353b1cd662ef19dda2ac6e031ac633a78915f949a

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
SignaturecUuHs6zCMvFSELITNW7e3HQjqFfo/N3UqmwcQg3Aep8S0F28h2MUXjNGhlG1EvJ6u/QEBpVdRkqn28Gxj8poCg==
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

2026-09-17T11:36:10.931317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031455
observed f7c70b6c0222ea4609565faecc9f4ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.912880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031455/manifest.json
observed 85d84f318d0ace5ee02da79353b1cd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.892594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031455/publication.md
observed a28cdc808f6ba036b2ec6dd0488ea006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.874675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031455/publication.txt
observed 02aba2ce8523addac7857e39686bd2e2...
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.