OpenTechnical

OT-2026-000058740

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000058740) never changes.

Identity and time

Publication numberOT-2026-000058740 · never reused
Internal UUID01a0ae88-f39e-7a20-8ada-ff9bd538e785 · 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-2026-000058740
StatusPUBLIC

Content hashes

Canonical textabdeb8f3011bbf64fb14bfcef3b05ae6de5ff5487595fc9336d3db6e1759ab14
Markdownfa8eda99e9f1562877e3380d60fda2644a3b977fa8db6ba605974e76d1402294
PDF
Publication page6fee15adaa3fba5255d74004eff147e119c2d9178758f71a0b72498a3c444cf8
Manifestdb910415c32a8b21065519a470c171adeb579caf0393ffbcccf615222e9702a0

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
SignatureFLYmgXCJcjHdwxuO6NePh6iNGO6ljSzEHhFFd2HDIlFoq+jF95uVX4VsCybsOpcIPiynD7+3s/ZzbamjeiMbAA==
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

2026-09-17T10:47:16.601271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058740
observed 6fee15adaa3fba5255d74004eff147e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.581803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058740/manifest.json
observed db910415c32a8b21065519a470c171ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.564425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058740/publication.md
observed fa8eda99e9f1562877e3380d60fda264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.545089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058740/publication.txt
observed abdeb8f3011bbf64fb14bfcef3b05ae6...
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.