OpenTechnical

OT-2026-000033601

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000033601) never changes.

Identity and time

Publication numberOT-2026-000033601 · never reused
Internal UUID01a0ae75-a38f-7d7c-98b8-dfabab5c582a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033601
StatusPUBLIC

Content hashes

Canonical text4d3f2137cda7fe535499439fdffdfc6887bd2e706583a89b0d05ba63a0487819
Markdownf8944dd48470d0351ad29edc19aeb94ea4f2345b99347014d5eb7c827fd342c1
PDF
Publication page3068d49917cfff237cb4f2e3ab8fd6f325226c20f2498193fc7f3a234bcc95dd
Manifeste06e3c4bccf2f617c53e90700516a95b43cefd109788ff884be1178732a1f46e

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
Signatureoqt8tebvIfjHzDKbq8h4vdZxk8ifOztMUxKQVWDi5JxFsPBHRqnQffYUwPaXl/iRGjMsNUZ4Be7k17c7m+lpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:34.107179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033601
observed 3068d49917cfff237cb4f2e3ab8fd6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.088236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033601/manifest.json
observed e06e3c4bccf2f617c53e90700516a95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.070183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033601/publication.md
observed f8944dd48470d0351ad29edc19aeb94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.049924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033601/publication.txt
observed 4d3f2137cda7fe535499439fdffdfc68...
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.