OpenTechnical

OT-2026-000080106

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000080106) never changes.

Identity and time

Publication numberOT-2026-000080106 · never reused
Internal UUID01a0ae96-4378-7c78-b022-7000115ae2b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080106
StatusPUBLIC

Content hashes

Canonical textbbf6ac168634469d2278f73ea6defe25bff3d4d79b64cb3c85bb6a84f4f70a4f
Markdown221609489f14120b0802ff224a5d659ccec4ca4c71e8dfeea7029dd37e33419e
PDF
Publication page70b391528c810fad516525a4606a4cbebbc623cab4bc859b73f9a9d81816b8ca
Manifestdac250ac4ce55099fa46dfe0f4f1e35ac240b35c9cb4cf3c72dde43dc224dfa7

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
SignaturecCv/5mM8h9TxFREPv1uRQuguYIyUDppzzwGbQuDNxdTzZczcSDrArwCzJ/NvCyhqKk8vAm87szn/G1OxOCsRDw==
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

2026-09-17T10:04:02.866861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080106
observed 70b391528c810fad516525a4606a4cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.850664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080106/manifest.json
observed dac250ac4ce55099fa46dfe0f4f1e35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.834307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080106/publication.md
observed 221609489f14120b0802ff224a5d659c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.816800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080106/publication.txt
observed bbf6ac168634469d2278f73ea6defe25...
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.