OpenTechnical

OT-2026-000080355

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000080355) never changes.

Identity and time

Publication numberOT-2026-000080355 · never reused
Internal UUID01a0ae96-7e77-70fc-8dee-1c3fdefccc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080355
StatusPUBLIC

Content hashes

Canonical textd2e3557eb0b41a2a776db3f65865cb463ff60955fd3350a7a28fbb4694b68005
Markdown2c091b2b5917947d750ab2ac6d1d7adfd87433ab0eb7277fd4a77870debc3c73
PDF
Publication pagec881dbc522d4f855eb102199c1fa5d0562a254dd28ddd1df4dbda03497f4ada7
Manifesteef51f192bae37e6e9e6d5bd1b478ad9b90873f4b78c5e7d065ed5ae22ef920a

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
SignaturemZQTkaES8QAg7R07zAt/GD7yjyp5WH2qQlMRv0ZIb8GF0Drp3sLC5D6ZoeTsFY6JrpSrOe0WYVXiYWMOan9dAw==
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

2026-09-17T10:02:50.324042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080355
observed c881dbc522d4f855eb102199c1fa5d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.305999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080355/manifest.json
observed eef51f192bae37e6e9e6d5bd1b478ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.287363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080355/publication.md
observed 2c091b2b5917947d750ab2ac6d1d7adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:50.267015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080355/publication.txt
observed d2e3557eb0b41a2a776db3f65865cb46...
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.