OpenTechnical

OT-2026-000100684

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100684) never changes.

Identity and time

Publication numberOT-2026-000100684 · never reused
Internal UUID01a0aea3-66f3-7612-a634-d9cc38045641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100684
StatusPUBLIC

Content hashes

Canonical textaa631fe7dc43345ee1b89b272a2710f5ef7140f484d9eb2f26266ba9cfa129a2
Markdown61ac243091cc777133204df4746196684d57ad56630f46ebd0c183ac524d1e05
PDF
Publication page60a0ffb0fa660e11210846ee3a609355ae97bc344bb0fdf4b6af6a2b79191fe8
Manifest951caf15970d87b229477c82a53ec2d44ece59e4263f0ff075bf7c33c7956e8d

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
SignatureM4Wo7m9qUQRbeZmJADpiLjkChDW7EhADxkuqSNHcZabn7y0YV+rMWxo3gB4BxJJlvBuA4YRUy8CCg5cNLtNFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:29.928028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100684
observed 60a0ffb0fa660e11210846ee3a609355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.910734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100684/manifest.json
observed 951caf15970d87b229477c82a53ec2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.893264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100684/publication.md
observed 61ac243091cc777133204df474619668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.874605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100684/publication.txt
observed aa631fe7dc43345ee1b89b272a2710f5...
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.