OpenTechnical

OT-2026-000006662

Publication integrity record

Porous face vacuum gripper, common isolation valve, 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-2026-000006662) never changes.

Identity and time

Publication numberOT-2026-000006662 · never reused
Internal UUID01a0a963-172f-742a-b0a4-2cef56faa6f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:58.642655Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006662
StatusPUBLIC

Content hashes

Canonical textdd67918b3966114c5300988706420a0b8537b5781f59e4ac137259eb94420826
Markdown5014b1abfd2345c22daa33fe2d2bea54324f5a072c182c33136e129d26113993
PDF
Publication page95ee734164b51aca505dfdd09e4544460e1637df4558b9ca79223f0ede291795
Manifeste8a07bcad25a7dd93809e9add71883dd52b842dfa3a018ead4925347e5c0e578

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
Signaturepugt4GmlNPCUnk1RXqMACOFdK1t6Wvwz5bQwnoNYauNYEDpap8bwSmptxRGtokVlTPFonsojGhEuP+RQoXlkCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:19.957121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006662
observed 95ee734164b51aca505dfdd09e454446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.945365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006662/manifest.json
observed e8a07bcad25a7dd93809e9add71883dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.932109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006662/publication.md
observed 5014b1abfd2345c22daa33fe2d2bea54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.918556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006662/publication.txt
observed dd67918b3966114c5300988706420a0b...
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.