OpenTechnical

OT-2026-000078727

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078727) never changes.

Identity and time

Publication numberOT-2026-000078727 · never reused
Internal UUID01a0ae95-ccbc-7f5c-81aa-2969608d5700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078727
StatusPUBLIC

Content hashes

Canonical texta86448c9b5212715018fcca6af97d28bce8f27f715326d5de488666d5eab73d7
Markdown3ddc7f13e3c22c07e289002e29a9b1c54ac0f70682ead585a663a6f15353a3e7
PDF
Publication pageb5b559a556e79ad20b7b1287b0b703eeb76ebd99a1599a993947035a4fd91de4
Manifest312a57a7191c9ed07fff90bc66f73c06048ddf43cf245435912fcfa070ca3373

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
SignaturedAJoE8NMGdlk5+MBmcwP9Ia4TdL9dYe88tIQG1zJPaL+VWDwajKScGRSTQXeV6R1fNiSq6FFjANgP1iKUB/YAw==
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

2026-09-17T10:05:30.651539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078727
observed b5b559a556e79ad20b7b1287b0b703ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.633252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078727/manifest.json
observed 312a57a7191c9ed07fff90bc66f73c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.605172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078727/publication.md
observed 3ddc7f13e3c22c07e289002e29a9b1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:30.588071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078727/publication.txt
observed a86448c9b5212715018fcca6af97d28b...
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.