OpenTechnical

OT-2026-000076759

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076759) never changes.

Identity and time

Publication numberOT-2026-000076759 · never reused
Internal UUID01a0ae94-b06f-74eb-80b1-96091cc42419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076759
StatusPUBLIC

Content hashes

Canonical text0337d04dff85eb5ceb5bdacd85cc84ca4f56804e1cd0f5246f3e58f80171f346
Markdownc2054ba75cb4ddc00ee38c225061ab5d87b7dbb126984f7335c58e1d6b67e44b
PDF
Publication pageb81ef613ed25adfa0373fdd816a44b808e568e843dfd0ccca4af58057cf56366
Manifest573aba3d41a7f9532b4760c5ad162bbe40cc9ea7d6341736d0fa5e22b8d216cc

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
SignatureLjT7ag7UnW+lwDQsOHBLo16m5ZrCpd/ir5ouUhpQ/RFP2qUUOMz654BstbpSifhP58SlZwu2ARnkaHoy3fX7BQ==
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

2026-09-17T10:09:36.993559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076759
observed b81ef613ed25adfa0373fdd816a44b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.973798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076759/manifest.json
observed 573aba3d41a7f9532b4760c5ad162bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.955879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076759/publication.md
observed c2054ba75cb4ddc00ee38c225061ab5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.935176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076759/publication.txt
observed 0337d04dff85eb5ceb5bdacd85cc84ca...
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.