OpenTechnical

OT-2026-000035409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000035409) never changes.

Identity and time

Publication numberOT-2026-000035409 · never reused
Internal UUID01a0ae76-6a20-7b4e-8922-3434e51d95e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035409
StatusPUBLIC

Content hashes

Canonical text198956c114360eaa06a6fe66082f722c812daa1ae7f76d2e594f03f141cbb74c
Markdownad9a11c08dc25b3b41697331012d4f5d14225318fa26e0d9565fb08d248067e6
PDF
Publication page22b8dc8a63ed9e165dbd82c6c7e1f091f2362dd5fa56bbedb1579017cf655be2
Manifestc1a73b0a6e4cbc27a6a9305ef20d5ce7ba31804c74cd39106361d7a335f23820

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
Signature77c66CCg6OEg06DW89P0FzyeoFZF1mOf88Ave6crmoqG7cT25aIaSqqfFR4Df8+/qpsnHbjc8qT8JfMwqQWYCA==
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

2026-09-17T11:28:42.753204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035409
observed 22b8dc8a63ed9e165dbd82c6c7e1f091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.734924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035409/manifest.json
observed c1a73b0a6e4cbc27a6a9305ef20d5ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.717968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035409/publication.md
observed ad9a11c08dc25b3b41697331012d4f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:42.700459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035409/publication.txt
observed 198956c114360eaa06a6fe66082f722c...
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.