OpenTechnical

OT-2026-000081405

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000081405) never changes.

Identity and time

Publication numberOT-2026-000081405 · never reused
Internal UUID01a0ae96-f375-7a28-a155-4fa3bede28d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081405
StatusPUBLIC

Content hashes

Canonical textdc72fd0ef331aa1fcd293847756d146f3b37ff7fc90d5cd443c0abe3f23d4997
Markdown5e261d1774b9ded3f460cfe36faf274a21ac7e526a341301580841f82afba12a
PDF
Publication page914524e891fd7753ad01769abc31054391bb33b58807c29795b6b3d00df2197d
Manifest0bd423e5b9fdcfeea8c02e521eeaecb8b1c430c171853196d505f8c51ae87cba

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
SignaturehIWMTDCUN9eSGQvosmaDuLi/AKQ+o8hgoEojZus9CB0X8rRuAodwQcuf9l1K+7u5DE5+7HseD6lnV31DMAlGCA==
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

2026-09-17T10:01:33.163768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081405
observed 914524e891fd7753ad01769abc310543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.143929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081405/manifest.json
observed 0bd423e5b9fdcfeea8c02e521eeaecb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.124271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081405/publication.md
observed 5e261d1774b9ded3f460cfe36faf274a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:33.104148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081405/publication.txt
observed dc72fd0ef331aa1fcd293847756d146f...
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.