OpenTechnical

OT-2026-000059620

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000059620) never changes.

Identity and time

Publication numberOT-2026-000059620 · never reused
Internal UUID01a0ae89-ec24-7d0f-ae7f-08dbe2e9bb05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059620
StatusPUBLIC

Content hashes

Canonical textc3aede2c34be2dbfe8a7f7d902af9103c26226d5bb7c8298de0352428f948853
Markdown9a54bef6ca757ed59a7f6fca9b3fdf0aad854f56ab2b1f98aba7cb332035542c
PDF
Publication page8ef88e773e7d726b5003f045008b732e2ba79e829c6f7741c47a6945ec0b312a
Manifest2fdad18a1d1529d90fd1f0edbc7d89c6a540d843274d5fb5eb6ca68a118a6c2d

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
SignatureAx0Pc9l6bRWYbmwKGp1+bpTzXw+t0UpofDVuvAEj8EkxXA9J1GtjTTvK4mJAnuiOWFD7ujWc+cbFpJvUCcBDCw==
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

2026-09-17T10:44:16.778940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059620
observed 8ef88e773e7d726b5003f045008b732e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.760768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059620/manifest.json
observed 2fdad18a1d1529d90fd1f0edbc7d89c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.742866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059620/publication.md
observed 9a54bef6ca757ed59a7f6fca9b3fdf0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.716529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059620/publication.txt
observed c3aede2c34be2dbfe8a7f7d902af9103...
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.