OpenTechnical

OT-2026-000089247

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000089247) never changes.

Identity and time

Publication numberOT-2026-000089247 · never reused
Internal UUID01a0ae9b-db00-7d37-bad9-33877756ecf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089247
StatusPUBLIC

Content hashes

Canonical textd786738e96f14472307e2474eff7d2b3c7b81345326ba08d9a6067e841520d7d
Markdownfd676409629aca9c8e5cc4436779b9007086e150c362d33a55e258ad60b927b6
PDF
Publication pagef72d1f1a745e72cf06bb664cd6ade65c5202ddcd2764c2bccf34883e70553f0c
Manifest00d3a65b5c16271ea6980c4b747dd8f1205e4c398c6d6a46be5894bb19c709f7

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
Signatureq/TMoZmY1Z8dZlgoxgFo/n6oB9KiPjZq32o2idf/K3dQQrNJwrA8xZNkVUhpvu/5BJGeRFDgQBwjfqdRUBX5Bw==
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

2026-09-17T09:47:16.745957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089247
observed f72d1f1a745e72cf06bb664cd6ade65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.728778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089247/manifest.json
observed 00d3a65b5c16271ea6980c4b747dd8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.711232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089247/publication.md
observed fd676409629aca9c8e5cc4436779b900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.692548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089247/publication.txt
observed d786738e96f14472307e2474eff7d2b3...
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.