OpenTechnical

OT-2026-000057548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000057548) never changes.

Identity and time

Publication numberOT-2026-000057548 · never reused
Internal UUID01a0ae88-2693-781d-8b9e-42f424ee70c8 · 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-2026-000057548
StatusPUBLIC

Content hashes

Canonical textea15b712650c8af330db15a61fdeafbcc07e28ef6df8f264b98644c22408551c
Markdownbf264c2c440f786ed7253ea4bec38a0ae8064a37698978ca016ed9221d574114
PDF
Publication page6640ca803404741a646aa25d48164ce94debf6e89aabd7c548e814f0e561a85a
Manifestff192d79a29794d87e07b1dd5a9278482149471200abdca35f2840e523d17b61

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
SignatureSxiodlh86Z33b5ke8UGnr0+FUYu/fwkJhimJRl3hr/8LAAjlOlKyloOIYuGvgnmYiLkMqEuf3pYYfYwe19jpBw==
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

2026-09-17T10:48:05.290591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057548
observed 6640ca803404741a646aa25d48164ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.272663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057548/manifest.json
observed ff192d79a29794d87e07b1dd5a927848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.255011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057548/publication.md
observed bf264c2c440f786ed7253ea4bec38a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.237238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057548/publication.txt
observed ea15b712650c8af330db15a61fdeafbc...
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.