OpenTechnical

OT-2026-000086925

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000086925) never changes.

Identity and time

Publication numberOT-2026-000086925 · never reused
Internal UUID01a0ae9a-80a5-758b-b0ec-1036d4a6cf91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086925
StatusPUBLIC

Content hashes

Canonical text52ddca8251b61290c1e506b105fd294fd3646219f3b90ae994604956ed90f427
Markdown8d1127c85bb2271b8821218a0e0be9ff78244f5416adf6c2f0e6b31057169933
PDF
Publication pageb054c6f5a4e3b59678ae83b2a0ef7741d5e7c57107944c04792117ecde1d507a
Manifest3cb8984c1ed41c725c72447a791a37ddab6f201bbd38ae20bcadf0ff75a33bab

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
Signature4L4lirgkK/U9inC3KifEnYjcvcwuS5klHyaepo2+c5KR+sHZmoWEnHq9UC00kFEhKVOe53xd7oWJEBHq0au6AA==
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

2026-09-17T09:51:46.923105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086925
observed b054c6f5a4e3b59678ae83b2a0ef7741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.905200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086925/manifest.json
observed 3cb8984c1ed41c725c72447a791a37dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.885622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086925/publication.md
observed 8d1127c85bb2271b8821218a0e0be9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.867861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086925/publication.txt
observed 52ddca8251b61290c1e506b105fd294f...
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.