OpenTechnical

OT-2026-000049714

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000049714) never changes.

Identity and time

Publication numberOT-2026-000049714 · never reused
Internal UUID01a0ae81-8fef-74df-962e-38dd655bb22c · 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-2026-000049714
StatusPUBLIC

Content hashes

Canonical text277de28a1d0ecb4555b27e41e449d0bc4c5b4c78b9aec36c871ab59c1e054414
Markdown5960bca17385cc511aa588a7ee7501daf17ee8f9aa824ac02544c3d44b80884a
PDF
Publication page49249721746902814f577e36c3516a0a26b8ebce87b92119144bf609bfe84963
Manifest337cef7c8d2991f2669209d75ecb1b7825c987b7d28e1661439d6db706c2050b

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
SignatureHYOYeTmzDUzcb/2sqYK3vgQ545Lfc4ZIdZR9qndV9efXsSRwe83Rd0HC7SHFhKAA6AyXXGloNL8+nHWeFfSFDQ==
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

2026-09-17T11:02:43.915396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049714
observed 49249721746902814f577e36c3516a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.895989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049714/manifest.json
observed 337cef7c8d2991f2669209d75ecb1b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.877745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049714/publication.md
observed 5960bca17385cc511aa588a7ee7501da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.859314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049714/publication.txt
observed 277de28a1d0ecb4555b27e41e449d0bc...
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.