OpenTechnical

OT-2026-000027618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000027618) never changes.

Identity and time

Publication numberOT-2026-000027618 · never reused
Internal UUID01a0ae72-6999-74b0-be10-ed1c29b49737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027618
StatusPUBLIC

Content hashes

Canonical textefcf13ba6b620c566244202037ff6da53556e8c7336d0d4e762cd5aca6471380
Markdowndf8ff76b1fc562fc37f85e8f07f2063a7f5f5eb4dc5dd1ff8d0e077fad7a7aaf
PDF
Publication page38851fc902796d8b0cf3c18cdc2614fbe3ab452d1030bbae6e510402f05a77d2
Manifesta2130df5d142240871fb0667e8d5427775c94e3f8fc4ef807f0d88ca697aea33

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
Signature6UMxe7B1YXBX+r1lJEu7kidWZck3EsqNO9lt9P8vQ2hoN1ACTDL+4Qfvms8DazMIfnxmX/EuwbR+RuVCa850DQ==
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

2026-09-17T11:43:08.317697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027618
observed 38851fc902796d8b0cf3c18cdc2614fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.300612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027618/manifest.json
observed a2130df5d142240871fb0667e8d54277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.278103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027618/publication.md
observed df8ff76b1fc562fc37f85e8f07f2063a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.260823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027618/publication.txt
observed efcf13ba6b620c566244202037ff6da5...
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.