OpenTechnical

OT-2026-000091350

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000091350) never changes.

Identity and time

Publication numberOT-2026-000091350 · never reused
Internal UUID01a0ae9c-f16c-7f96-98b6-8d145657df37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091350
StatusPUBLIC

Content hashes

Canonical textb097374837cda67659dc69cb16e3d4fc10ce0ad72e8576a31ec7d41d6a2a3e6e
Markdown97ad9593a8a8b2e2ff3edf2c15836ff1bc60dbcb39d9249123d4bb26cc9fdd2e
PDF
Publication page98adbe157cfa1cbd14094d40bcee4a7775ea28fef408e7c74738a0682eea8688
Manifestb3553db21f7a339e202a4c6f1a3a44cfceb963806f4a7253caec0021215c937f

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
SignaturehcVfcQ5oV0Mt1ow5x2JZFrZQBsOvNXfiKwNgv4ZnDlw+wAT7HM1bs3Bdp4Yy8NKJkmpqJccDmyTQa1avYfPTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:33.701927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091350
observed 98adbe157cfa1cbd14094d40bcee4a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.682600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091350/manifest.json
observed b3553db21f7a339e202a4c6f1a3a44cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.660050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091350/publication.md
observed 97ad9593a8a8b2e2ff3edf2c15836ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.639793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091350/publication.txt
observed b097374837cda67659dc69cb16e3d4fc...
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.