OpenTechnical

OT-2026-000085133

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000085133) never changes.

Identity and time

Publication numberOT-2026-000085133 · never reused
Internal UUID01a0ae99-43b9-7338-8c2f-15ca198d1bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085133
StatusPUBLIC

Content hashes

Canonical text4adc7db3d7d7239b20fdfb4c67b0076c3fa6bdf04ae8cdf6d5625b8f091bbf4a
Markdown28b57e837d60db64486ef02b1515f7fe9156ea89412910b48c685a11b6959cfd
PDF
Publication page5c7e1b851290d2c6455f74e95adce24ead769836183231ef2f0080831d8c3e20
Manifest2d9e3f791c4443416df6854f634d43a7e796bfb77d05c283fd1a958dce53add0

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
SignaturezFMxbDwMoIgfIS5I9piVioMWPwFmue/bSmJF8lHQwu+g7zo+21zDpMd96wgNB57MPyZgavJl1ppEY5WtpV4oDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:12.550356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085133
observed 5c7e1b851290d2c6455f74e95adce24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.532696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085133/manifest.json
observed 2d9e3f791c4443416df6854f634d43a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.516058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085133/publication.md
observed 28b57e837d60db64486ef02b1515f7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.498561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085133/publication.txt
observed 4adc7db3d7d7239b20fdfb4c67b0076c...
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.