OpenTechnical

OT-2026-000043630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off after 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-2026-000043630) never changes.

Identity and time

Publication numberOT-2026-000043630 · never reused
Internal UUID01a0ae7b-92d0-7261-bc7d-cfe0b7d4566c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043630
StatusPUBLIC

Content hashes

Canonical text0bf24350afee62efaa853197eae404291d281d85bc36ffc0d6dea8e032264d39
Markdown1370b3bfeab9c30e844c682372cee4958f57cc7804128d1cd761f6298387d787
PDF
Publication pagec9babef72e712ce1a2d3b4071e9a619270b931aa0666ad2c13ec5c0238301f8d
Manifestb07e19c502bd66a778c414e2fd321b16becee597b0fd3849ffd6b08fa9d0c478

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
Signaturezn5EJ5JBsFM30fEeIGRUqItlLf8POAVbA5UnU7jTe3i+a/tadRbdLTsTIi31Asnj6nFZdpEfmVRfQEthzm0DDw==
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

2026-09-17T11:13:06.191568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043630
observed c9babef72e712ce1a2d3b4071e9a6192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.174046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043630/manifest.json
observed b07e19c502bd66a778c414e2fd321b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.156136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043630/publication.md
observed 1370b3bfeab9c30e844c682372cee495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.137873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043630/publication.txt
observed 0bf24350afee62efaa853197eae40429...
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.