OpenTechnical

OT-2026-000058212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000058212) never changes.

Identity and time

Publication numberOT-2026-000058212 · never reused
Internal UUID01a0ae88-6edb-7911-ad97-fca02f4439fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058212
StatusPUBLIC

Content hashes

Canonical textfd45f4c1199cb31500e423a07739fb799879ad8fee2c830568a3a852bd0a023a
Markdowndff661f9337475f73ef3482cb80f96552c96d1c73b779cf4a56813c644aa9e15
PDF
Publication page4f44a55f8e8246dcf19b925ad3892c851cd428af7637a20842b28cfd7abf3894
Manifest794f877baf70e050065b10bde9fd944297428250cd46eca254430f5208ea95cd

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
SignaturerbKFVf7KlkyY7xqhCbyJCB4LYhDO+aUZX3jYhh4yKyPg2t20ySBEkd9/AgqVq6GSJdYFx9I3TZEAX0zR8ll0AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:52.757736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058212
observed 4f44a55f8e8246dcf19b925ad3892c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.741043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058212/manifest.json
observed 794f877baf70e050065b10bde9fd9442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.723045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058212/publication.md
observed dff661f9337475f73ef3482cb80f9655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.705388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058212/publication.txt
observed fd45f4c1199cb31500e423a07739fb79...
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.