OpenTechnical

OT-2026-000057907

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000057907) never changes.

Identity and time

Publication numberOT-2026-000057907 · never reused
Internal UUID01a0ae88-6ed9-7aac-b09d-672f56b3c2f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057907
StatusPUBLIC

Content hashes

Canonical textc8463d1bd46439d6718b84f425c8db511059bd9d3eceff433665ef45364a38b8
Markdownc461f7eb8fabe35f1224d8babcc8bba4e91e89fa4f9af7148edcd490789f920e
PDF
Publication page2ebf9083bac881cf15e3dc2c41f5be5c40cde2c549220aab7199ffd09890445f
Manifesta06922f204cf9f4ee01ea77fd0a93c59886415088a77ce1cc5801d7c4bf4bb25

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
Signatureq6VoZfuEvqIQecJKcMmoeoGoY+Iu82bNZQNIdiE7+hETfu2QBHtGHgH3xK+QdulWz8UWC4gVUuRQA/SB7ua3Bg==
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

2026-09-17T10:47:30.682546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057907
observed 2ebf9083bac881cf15e3dc2c41f5be5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.663612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057907/manifest.json
observed a06922f204cf9f4ee01ea77fd0a93c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.644647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057907/publication.md
observed c461f7eb8fabe35f1224d8babcc8bba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.625195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057907/publication.txt
observed c8463d1bd46439d6718b84f425c8db51...
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.