OpenTechnical

OT-2026-000080117

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained blow-off before 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-2026-000080117) never changes.

Identity and time

Publication numberOT-2026-000080117 · never reused
Internal UUID01a0ae96-4378-7c69-9b56-4fb8ec18874d · 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-2026-000080117
StatusPUBLIC

Content hashes

Canonical text7e18b4ab786e2d8e77e3fa0b9669292e0e4baf2219471e09fe8849246b746910
Markdown61e8e45636607b29cfe2ffa7754cad68bd4f41265816da133a9bc1a21491d387
PDF
Publication page22c67faf7e4c44fa1bc4598181a5b7450482a41cec7668f39dcced02820e2dcb
Manifest1b0a238ff6670851e2dcf19fc92dc15ef8b5d7bed1d7c365d005bf77152ec658

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
SignatureN3GDQsTMeXXjCo8PopUQ7AjIQwCqbnNjNfoM3jCzTMcp8dOQr/Tnk1EfSXZ2Fp/8l7nUnpM00ittDzWXKJtQCA==
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

2026-09-17T10:04:03.713454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080117
observed 22c67faf7e4c44fa1bc4598181a5b745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.695255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080117/manifest.json
observed 1b0a238ff6670851e2dcf19fc92dc15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.676793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080117/publication.md
observed 61e8e45636607b29cfe2ffa7754cad68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.658323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080117/publication.txt
observed 7e18b4ab786e2d8e77e3fa0b9669292e...
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.