OpenTechnical

OT-2026-000080525

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000080525) never changes.

Identity and time

Publication numberOT-2026-000080525 · never reused
Internal UUID01a0ae96-7e78-713b-836f-cebbb405f456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080525
StatusPUBLIC

Content hashes

Canonical textbd72cb6303bf52620889568a2d3cafdf9d3046de3c659cae7e02ead8eef81f3c
Markdown9195dc2cb5054e98681f17c1b9f041c12e39314c7be3f8bc9952ef06e7a40d5d
PDF
Publication pageee02fd2bb4994a863294275aedd7755a540b35bb5027dc2ca4bf6941c849f2dd
Manifest86c75104ec4a5a641f3a295edcb9ad46dd61a73aa7ac3ee9a92b647a597a340f

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
SignaturewqwmZhPhrxi/7VbRnYRDp/9qcZB/GU6waiikSOVI5oEGOEI9mxXoRp67iynUURmPggo8qvTyi5XJZmMXgHCjCg==
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

2026-09-17T10:03:02.801480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080525
observed ee02fd2bb4994a863294275aedd7755a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.784657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080525/manifest.json
observed 86c75104ec4a5a641f3a295edcb9ad46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.766855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080525/publication.md
observed 9195dc2cb5054e98681f17c1b9f041c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.750042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080525/publication.txt
observed bd72cb6303bf52620889568a2d3cafdf...
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.