OpenTechnical

OT-2026-000069216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069216) never changes.

Identity and time

Publication numberOT-2026-000069216 · never reused
Internal UUID01a0ae90-6dcf-7087-ab96-283bb237927e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069216
StatusPUBLIC

Content hashes

Canonical text5111eb5137f080d3b0efe0e7d87852f34fa14395c376995c3ad26fd1d6638269
Markdownde6b23264769cc9940dfda19b133f3841cdec32e709dfb34e3311b292126f135
PDF
Publication pageca93db4b102ced3a0d0219564a01f83001a9fee01d443e7ca3ef4d8cdbdb2c4b
Manifestf9f39e57eb80138ec8797a5b33b3a06678a7465d34c321bcf0a6ca26b612fa9a

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
Signature+hqK+bcyr3Ce4raHRmEumxleI36LZzYWG+MOYKjAU+jmAvvvKgp67MrxeOoIRK2Y6MmGNjPSrLWN48gUtvzmCQ==
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

2026-09-17T10:29:13.540052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069216
observed ca93db4b102ced3a0d0219564a01f830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.520844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069216/manifest.json
observed f9f39e57eb80138ec8797a5b33b3a066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.503537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069216/publication.md
observed de6b23264769cc9940dfda19b133f384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.483954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069216/publication.txt
observed 5111eb5137f080d3b0efe0e7d87852f3...
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.