OpenTechnical

OT-2026-000058328

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000058328) never changes.

Identity and time

Publication numberOT-2026-000058328 · never reused
Internal UUID01a0ae88-f398-7e3e-83f1-1bca352abfc7 · 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-2026-000058328
StatusPUBLIC

Content hashes

Canonical text51f33359e5f5d5d043e86abbd0eb835f4275601cd270e7c2c73ce27be208bcaf
Markdownf9ad6ffe78de253cc459dceb9b4acc21845ef2e36d3c4ffa44a952e30ce592e0
PDF
Publication page6e361212f457cf3627485ab980dde2c361536cd9d4645cdb96bcce875c307213
Manifest7b5995a9fe2bca2b8914e709324199aa94bcaa615b577713096c78009501e9c8

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
SignatureQWwtCl8TgapaPGoSbacHxsR5K1M2P8W4apVzcBOqXWYl1H675osAFR7IgqWdxo5i88Nkp73eU5siuzNb7ShNCA==
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

2026-09-17T10:46:44.178393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058328
observed 6e361212f457cf3627485ab980dde2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.162174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058328/manifest.json
observed 7b5995a9fe2bca2b8914e709324199aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.146131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058328/publication.md
observed f9ad6ffe78de253cc459dceb9b4acc21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.130006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058328/publication.txt
observed 51f33359e5f5d5d043e86abbd0eb835f...
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.