OpenTechnical

OT-2026-000079233

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three 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-2026-000079233) never changes.

Identity and time

Publication numberOT-2026-000079233 · never reused
Internal UUID01a0ae96-0b8f-7b76-b38e-c1cb29f1e2c3 · 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-2026-000079233
StatusPUBLIC

Content hashes

Canonical text3fb94541855dbdb4c239e95771f46b5f4c337ce1e346cac801ba1a00d61548a4
Markdownb5f149c972ae3c523d0d7d8f0d1b5d0f2b1c79892272f13899565967d5120a6c
PDF
Publication pagead880b23c8d743a6024df67a3b360cbbfb319e6a125e8d2fd838062bb0d91ba7
Manifestf84f837708fcdb3ff077edcdbd95c1aa9bd5650dad9ad0b19abc4ae9b5c688de

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
SignaturekDxv6zLTv4r+i59Tz2nRN59Kc2K53zyEeZk7sQdUatDgXApcHZOvXYP1zE/oXjlcK/qSTpP8AKxdlSReD/cJBw==
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

2026-09-17T10:04:49.534319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079233
observed ad880b23c8d743a6024df67a3b360cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.513749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079233/manifest.json
observed f84f837708fcdb3ff077edcdbd95c1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.496533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079233/publication.md
observed b5f149c972ae3c523d0d7d8f0d1b5d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.477806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079233/publication.txt
observed 3fb94541855dbdb4c239e95771f46b5f...
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.