OpenTechnical

OT-2026-000068313

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000068313) never changes.

Identity and time

Publication numberOT-2026-000068313 · never reused
Internal UUID01a0ae90-2480-733a-8b7e-9cedb9894bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068313
StatusPUBLIC

Content hashes

Canonical text8ccfa903fda7e54bab17fcb1533d74d2af5f5bcdbd7fd1e3c667365883b7917a
Markdown367d117d0e514afae7109b9e789e410865323340b2ddf799b0202595cbdd400d
PDF
Publication page9dc3bcf0b5715affaa677d1d401599ac1758af8723c6ed1ef9b2886a10fabfaa
Manifeste842e90c6033b87f1a44bc2e6054ef6bd2e236b2203a1a14f8faa925484de1bb

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
SignaturerBlCY7/tkSJh2kFTA0bsvl3Jt3ZEtFvZ1M5kpMvBdgLpsMfaScDRckfzHrh3uW+1QJyXCqyvaEtlKnbprvGtBw==
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

2026-09-17T10:29:21.093188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068313
observed 9dc3bcf0b5715affaa677d1d401599ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.073799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068313/manifest.json
observed e842e90c6033b87f1a44bc2e6054ef6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.054914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068313/publication.md
observed 367d117d0e514afae7109b9e789e4108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.034087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068313/publication.txt
observed 8ccfa903fda7e54bab17fcb1533d74d2...
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.