OpenTechnical

OT-2026-000011524

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000011524) never changes.

Identity and time

Publication numberOT-2026-000011524 · never reused
Internal UUID01a0ae6c-88ff-70d0-8601-fda304a7f9f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011524
StatusPUBLIC

Content hashes

Canonical text7b2533fa922d5d136e3a2ce7328050493e49d0f7d19558e4935eefe2e055bdd2
Markdown511bcccce75c608870fefb2cd19916c23a4a4d76672b7300e905868da12d23fc
PDF
Publication pageb7617b3986aebe784920999999958a170397bccc473997508bece39ad2dbf86c
Manifest1f21dbd8870411f997ca49ee1bcff96e6849f0a7a6d5c2ef279d95b1a5c8687e

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
Signature0uPQTU8gLKV2hlmFhBss5PAtNN/AkypBOwff2cZxNk3le5mQZbp0Es2pEg3D3Y8DPcDZpjikgxz8DG5w2P60Bg==
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

2026-09-17T12:13:18.702044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011524
observed b7617b3986aebe784920999999958a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.683507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011524/manifest.json
observed 1f21dbd8870411f997ca49ee1bcff96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.665112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011524/publication.md
observed 511bcccce75c608870fefb2cd19916c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.644493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011524/publication.txt
observed 7b2533fa922d5d136e3a2ce732805049...
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.