OpenTechnical

OT-2026-000057564

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000057564) never changes.

Identity and time

Publication numberOT-2026-000057564 · never reused
Internal UUID01a0ae88-2693-7cce-9ebd-319554415da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057564
StatusPUBLIC

Content hashes

Canonical textab9403ff3bc42029da9490b955f4e5b2722b6db1d95c362f45de05ba7759c3b3
Markdown7ba0f3cb2e67c2c709419d879cfcb0102360890ec9f05a397d02318bdda1a28f
PDF
Publication page62878d03c85974a34dc1f4d1c5d6671aefaffecb483d3d499476e509afe60dbb
Manifest23d8051a067570b642e5028c0a9546c0de9c66d3aef9dca0802b720c1014f03c

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
Signaturenr0O+lhPsRUgn9V9ZyNagEKUG7z4rtd7+/mgMyJKJQG6gAIEVeVdetGiE1TXlxof7WuIlbTLCHrb7qkEuMnVDg==
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

2026-09-17T10:48:06.423786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057564
observed 62878d03c85974a34dc1f4d1c5d6671a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.408449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057564/manifest.json
observed 23d8051a067570b642e5028c0a9546c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.392331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057564/publication.md
observed 7ba0f3cb2e67c2c709419d879cfcb010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.375091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057564/publication.txt
observed ab9403ff3bc42029da9490b955f4e5b2...
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.