OpenTechnical

OT-2026-000055305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000055305) never changes.

Identity and time

Publication numberOT-2026-000055305 · never reused
Internal UUID01a0ae86-a100-746c-8873-2e3c0dd66d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055305
StatusPUBLIC

Content hashes

Canonical text2aa21fcb891bcb9a23c1bb390a2c9441f777799f920644e66ec5b52adff395c3
Markdown1aa3be0c9fe9a44b8afe1214482d88181a2d2a7e4c655f32ed9b32fc26498db3
PDF
Publication page3a3bd9b63a793379c124e3d75c3858bbd55ce33b4a8bba16d6f0bee3113f2e8e
Manifestad5addb70b4a8572533a4677ff3e69554c051f1b9459f1cec5f8763b2fb4a4d6

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
Signature5muYA7rBCaZQUkTlof/2F7YChXNmL1dJLm+zU+UDq4QEgKEsbwPJhv3UOy0SRmK6nQNBStPecKsayw2OPfALDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:54.643732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055305
observed 3a3bd9b63a793379c124e3d75c3858bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.626582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055305/manifest.json
observed ad5addb70b4a8572533a4677ff3e6955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.608160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055305/publication.md
observed 1aa3be0c9fe9a44b8afe1214482d8818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:54.590357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055305/publication.txt
observed 2aa21fcb891bcb9a23c1bb390a2c9441...
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.