OpenTechnical

OT-2026-000058412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000058412) never changes.

Identity and time

Publication numberOT-2026-000058412 · never reused
Internal UUID01a0ae88-f39a-79f0-9e1d-00fdfb8387dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058412
StatusPUBLIC

Content hashes

Canonical text6595bb9362821ab2a54f7ef74e348fe7d1e1713264b05f0d6a5a3d24eeb3eef4
Markdownc8f4ed2168e396f408ffdcf11be55444ee2d27e73b5739ef259ab43ac5717129
PDF
Publication page90fb559b0fee0ca02e87e70315c0ee42c6e6b08a10d266475192f597bd483734
Manifestb325b717f5c9d52c34ce14a0f84abb415a65fc7e9797680acd9198ef9db97443

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
SignatureaEXMs73SBXiUNMtvPA9e4p/6NjIaKKVXWu+qcTuyCdL7MmovBDs1/oO5l/RMjLGixy/6VHloAf7od746nBjXBQ==
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

2026-09-17T10:46:50.657167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058412
observed 90fb559b0fee0ca02e87e70315c0ee42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.640123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058412/manifest.json
observed b325b717f5c9d52c34ce14a0f84abb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.622121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058412/publication.md
observed c8f4ed2168e396f408ffdcf11be55444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.603660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058412/publication.txt
observed 6595bb9362821ab2a54f7ef74e348fe7...
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.