OpenTechnical

OT-2026-000020968

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000020968) never changes.

Identity and time

Publication numberOT-2026-000020968 · never reused
Internal UUID01a0ae6f-65e4-7599-ab13-8c43029212b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020968
StatusPUBLIC

Content hashes

Canonical text7ede5a8a03f9e65b7bb21acee1a6872d763114db9c38c9f7b230d01426442aa4
Markdown432be309807fe8ea404f419dde6d1885489460924c5cabf62d3f7631f19e1321
PDF
Publication page4208bbb130fbb9900415c05cbb3adf37f877e0b21709b48bd42990635f3634f1
Manifest9d9a935524a2dc261618fcd1e6b0b4ce84d8eb1c1df17f764a5d5fb113021a5e

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
SignaturejQgfyfZo940HApftd2EtYlJyRgEq/RI/KDDGOPyr8Ezjm2BSzAtEdE/namWwPM7c6Pyri+IuF0QETHYELGuQAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:56:06.716166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020968
observed 4208bbb130fbb9900415c05cbb3adf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.696716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020968/manifest.json
observed 9d9a935524a2dc261618fcd1e6b0b4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.677195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020968/publication.md
observed 432be309807fe8ea404f419dde6d1885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.658914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020968/publication.txt
observed 7ede5a8a03f9e65b7bb21acee1a6872d...
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.