OpenTechnical

OT-2026-000042814

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042814) never changes.

Identity and time

Publication numberOT-2026-000042814 · never reused
Internal UUID01a0ae7a-c0d0-7b8a-970b-9a360a0d2d26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042814
StatusPUBLIC

Content hashes

Canonical textbb9dc2dd7d1de13c57fbb46a3f264e733d2321d1ad1396fda4c8ae5bde35012b
Markdownfc76e35f5c19074e3fbcd1c887f95ae2edd139d1b0ed042686b07960b28d2e0b
PDF
Publication page540eeb18579ac4f57bbc3284190300c41e4719803eb66fa15179e12c418c33b2
Manifestea6ade80395e85f42738d8af2665375354211602f5046d5dc88ffb7340f1f4c4

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
SignatureN2ZyBL2jGEJfwTpdc6v3uwIGlPVL1k9kg1E+V2pNcr4VSl9EsO1m1/tEzSW+K9nMWvFV2ifeGn2a9nvdt+eXAA==
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

2026-09-17T11:15:17.462797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042814
observed 540eeb18579ac4f57bbc3284190300c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.444383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042814/manifest.json
observed ea6ade80395e85f42738d8af26653753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.423233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042814/publication.md
observed fc76e35f5c19074e3fbcd1c887f95ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:17.402990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042814/publication.txt
observed bb9dc2dd7d1de13c57fbb46a3f264e73...
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.