OpenTechnical

OT-2026-000027131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000027131) never changes.

Identity and time

Publication numberOT-2026-000027131 · never reused
Internal UUID01a0ae72-3454-7944-8c40-0d7903b2e7cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027131
StatusPUBLIC

Content hashes

Canonical textde9cc11dcaa5b7fb4eeca2ffdb207a3331f9a9bd543ac69b0241570755793f3f
Markdownde01bca93bdebedb9417bcd2dede8ab103622ed9dda3f4c8238bdf5cd96fe4df
PDF
Publication page394f016a577d5fcc679944741a265573f6023fdd75f41831d4901ad9df354bf4
Manifestfcfa40e675dddf4f1ee84350ab28011d5900cf3b73d635759bd836e779f29b40

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
SignatureLfuH069wFtHtL39jnneWMp98WdyEi8+jAb74X3HFEsN4gib4aT8c1qRua5Zf0Ioil0LJ0jvI6X4tdFi2DS8WDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:54.397453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027131
observed 394f016a577d5fcc679944741a265573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.379411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027131/manifest.json
observed fcfa40e675dddf4f1ee84350ab28011d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.362186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027131/publication.md
observed de01bca93bdebedb9417bcd2dede8ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.344833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027131/publication.txt
observed de9cc11dcaa5b7fb4eeca2ffdb207a33...
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.