OpenTechnical

OT-2026-000043238

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained blow-off after 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-2026-000043238) never changes.

Identity and time

Publication numberOT-2026-000043238 · never reused
Internal UUID01a0ae7b-327c-756b-95a5-e7672ae2e0d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043238
StatusPUBLIC

Content hashes

Canonical text875be27aff10f19240a0cb6397c26ffab5e4239071a7dfadb909d3f579bc27d7
Markdown557a026d8e8b5c67f4c874e960cc00619635ba7f9b19ecd857a5d22d16bfed6d
PDF
Publication page17a6a9ee04a0c3fce216edafd52ec489ad0bda7225453e47a45cc633518efbca
Manifestd34a598adfdc82d9c991cbffea207fb12a45da995081a38a57f20a6c876971df

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
SignaturenMJ3q284u1vFucAWVHeYGA+lYzXcpHrwVIa2uT0OAzUuDzvnnrAxxTgW9IVQ75gnppIgVCWtn26HpKiz2f9YAA==
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

2026-09-17T11:13:42.723534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043238
observed 17a6a9ee04a0c3fce216edafd52ec489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.703754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043238/manifest.json
observed d34a598adfdc82d9c991cbffea207fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.683737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043238/publication.md
observed 557a026d8e8b5c67f4c874e960cc0061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.663687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043238/publication.txt
observed 875be27aff10f19240a0cb6397c26ffa...
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.