OpenTechnical

OT-2026-000061180

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000061180) never changes.

Identity and time

Publication numberOT-2026-000061180 · never reused
Internal UUID01a0ae8b-1380-7c3b-a5c0-77c5bab6c3d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061180
StatusPUBLIC

Content hashes

Canonical text7cf45805cd55c2af27303c7e7b084f07a2e53a2e2dafb61d1e52632ef7aab902
Markdown08b0b8932a7257448f08b9c70df769c69b9e276fa1767f932a69d53422818439
PDF
Publication pagebda414b1906efbcee21e76e74f832726cca618efc7c3719388e02dfc982f36a3
Manifest4839262e8d874a3d6563add7185bc6ba4f013862875c09b39267255d162e7228

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
Signaturehed35EajkKtiMA4A05q88FGDP0B2tCQ92ZFcREtfkXVOUfrljJVH2s4MGdi3eAc9Yht9xbn+uVOvkbhcwq99BA==
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

2026-09-17T10:42:34.345340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061180
observed bda414b1906efbcee21e76e74f832726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.326394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061180/manifest.json
observed 4839262e8d874a3d6563add7185bc6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.307582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061180/publication.md
observed 08b0b8932a7257448f08b9c70df769c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.288600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061180/publication.txt
observed 7cf45805cd55c2af27303c7e7b084f07...
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.