OpenTechnical

OT-2026-000047457

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000047457) never changes.

Identity and time

Publication numberOT-2026-000047457 · never reused
Internal UUID01a0ae7f-3e58-7553-b293-62d5f9059d04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047457
StatusPUBLIC

Content hashes

Canonical text4bdf5b09d332dce3073081b1ccd654f51a8d0e4f610d9a88c99465b751086f59
Markdowna690cffe2e06b6acea0fdf187242bcf76f0405fdd1f690a77bc2e4aed5d2df7f
PDF
Publication page93eecfbabde28a1ba6ad5ea2c1cfa630ec35db7d70f97ad434fdfbe21d8143ff
Manifestd1a0015b484a58dfe318898a8cb8497a24a020e387a8b973a5f725aa743e5799

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
SignaturemyFv/sdOtJksrsxvL6S2pM/DcvMI43oBAxDxLb5N2OblGB/o7DzSeDM5vwj+53Gf4wiMGIxigwcnbUI+UDOwCQ==
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

2026-09-17T11:06:29.327976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047457
observed 93eecfbabde28a1ba6ad5ea2c1cfa630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.309170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047457/manifest.json
observed d1a0015b484a58dfe318898a8cb8497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.291587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047457/publication.md
observed a690cffe2e06b6acea0fdf187242bcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.272284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047457/publication.txt
observed 4bdf5b09d332dce3073081b1ccd654f5...
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.