OpenTechnical

OT-2026-000032851

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000032851) never changes.

Identity and time

Publication numberOT-2026-000032851 · never reused
Internal UUID01a0ae75-4842-7820-a2ad-b03f5087d7a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032851
StatusPUBLIC

Content hashes

Canonical text6c93b5185e2e3e2fbf647d082107b311d9d169b6b61c90bdd0eb3f164cafe884
Markdowndd15a625a5d555ba55b98895453d2cd469b4633e65050c8565b15906fd43fe0e
PDF
Publication page98161ef986527b71f974aad1d78b30f54c3387d673c7b4c46f4559a8e99f9da3
Manifestb24d62cf2438ccae1682a0826925165164a45146bd5753d0f7f30e90d0b13f72

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
Signaturez7xeYVKfFUIfwNOCJx8zO/EC2PAoSjuZwUr+kS9yl7MSlOwE8VDxXmLGwXBV3JlVqheOj9x1jxKfdugkGuEVAQ==
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

2026-09-17T11:32:18.857198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032851
observed 98161ef986527b71f974aad1d78b30f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.837910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032851/manifest.json
observed b24d62cf2438ccae1682a08269251651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.820387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032851/publication.md
observed dd15a625a5d555ba55b98895453d2cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:18.801564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032851/publication.txt
observed 6c93b5185e2e3e2fbf647d082107b311...
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.