OpenTechnical

OT-2026-000079171

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079171) never changes.

Identity and time

Publication numberOT-2026-000079171 · never reused
Internal UUID01a0ae96-0b8f-7100-bbef-1387d0fc289a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079171
StatusPUBLIC

Content hashes

Canonical text26bcb80d2b4b8aa7e6908b2936e3643d405eb57f0ab883ad29e5055697242661
Markdown5387868a5dc6766bd89bb4f58d4979c3dce4fa654a0447e4198cbc6ec1f8a0a6
PDF
Publication page852a76f03f2a7cae5d27fdf87bd6f2e3a3011bedf367fc83ce84e1a6e59e0a90
Manifest0d7fa65e65e05b21b2bfcae24eda2ccffeaa3a72e90787e3ac35fc65d1f68ee2

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
SignatureswIMPE1Qx5O0wR7xv3//41OMpkFgeSYmqFf8EHXO01dJM25jlpr08+KltclXaE0pOwNQfyE2tiWZubBsXj6XCw==
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

2026-09-17T10:04:45.804263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079171
observed 852a76f03f2a7cae5d27fdf87bd6f2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.787143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079171/manifest.json
observed 0d7fa65e65e05b21b2bfcae24eda2ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.769167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079171/publication.md
observed 5387868a5dc6766bd89bb4f58d4979c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.750904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079171/publication.txt
observed 26bcb80d2b4b8aa7e6908b2936e3643d...
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.