OpenTechnical

OT-2026-000049707

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000049707) never changes.

Identity and time

Publication numberOT-2026-000049707 · never reused
Internal UUID01a0ae81-8fee-7f68-b94a-98cd33d29b88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049707
StatusPUBLIC

Content hashes

Canonical texta3126c49d13db6bf4e4c84b55318dff42a04ca9c20b3c5b969a661dbea315ac6
Markdowne7de303ce188315a9cec06fa3e9a94305c0576dcbc0c91a9cd27b18f6fb16c9b
PDF
Publication pagec119694a4059e2a6e436b1ad343355d9ee3ef22dd55b80ced11a11239b8ac5e4
Manifesta99f1082c17da2bedd903e67262e573821db8b64b2c5312036422cb58c4cdc81

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
SignatureVCbEvdesddYhI9pgKA3u19B/npeLDleCk3k3wWHOoMzpkx3igSMBAusM/YjVFh7Zf1VAWJj3zstcBqxTZ4uBDw==
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

2026-09-17T11:02:43.379784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049707
observed c119694a4059e2a6e436b1ad343355d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.349698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049707/manifest.json
observed a99f1082c17da2bedd903e67262e5738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.329971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049707/publication.md
observed e7de303ce188315a9cec06fa3e9a9430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.296587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049707/publication.txt
observed a3126c49d13db6bf4e4c84b55318dff4...
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.