OpenTechnical

OT-2026-000085866

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000085866) never changes.

Identity and time

Publication numberOT-2026-000085866 · never reused
Internal UUID01a0ae99-e829-7a02-9b98-0d0c21a0a2df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085866
StatusPUBLIC

Content hashes

Canonical textfa3ba3171ba46f5805fea9e4aba6fc9288942e697757dc646edb552d1d149717
Markdown74a1c863dca28328705ffef1a652ad46e0ad9cd4a9fb77a21c6dd87d310b0b7a
PDF
Publication page0c136a85535996f4e68e2f675c5ed81997fca16f1991975b5f599a99fe515c76
Manifestcad67712cddd2ab93cf2dbe302d8f29f823ac959cabf135c2e7732fa012645f2

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
Signature6Lqd66x5jeee8mW1LrTY9FrJ2AlhjhFDL4zdK174bKc6zjIGpnwht5oziSYfG9qvBIB50tJ5kYaURtJGk/XoBQ==
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

2026-09-17T09:52:47.845009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085866
observed 0c136a85535996f4e68e2f675c5ed819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.826418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085866/manifest.json
observed cad67712cddd2ab93cf2dbe302d8f29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.808102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085866/publication.md
observed 74a1c863dca28328705ffef1a652ad46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:47.790001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085866/publication.txt
observed fa3ba3171ba46f5805fea9e4aba6fc92...
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.