OpenTechnical

OT-2026-000086912

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000086912) never changes.

Identity and time

Publication numberOT-2026-000086912 · never reused
Internal UUID01a0ae9a-80a5-78ee-98ca-f6f91dd36529 · 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-2026-000086912
StatusPUBLIC

Content hashes

Canonical text680095761ed3d371311da78cd102872d502d369bc76a674f69ee6103d711af42
Markdown87438def73c2ab9f8c3b67eb2cf965f6c2ea8771f807e0a370ff3f1ad05dcc71
PDF
Publication page894d7026eaa13242494bced8740b48d14f43b0802a121fce7273b9899f59eb13
Manifest6b532bc1eab1351c01db82720d53a41b3135d420d967c99f3feb0f94be8b082d

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
Signatureg5rgoiFZoNJhc+BVDU/uGpjjzbUjskHnRd0J99H7NQ+RlEiyq8BnbtntrtTFRqjAKCccXxt83CuK/3US96rIAg==
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

2026-09-17T09:51:45.981551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086912
observed 894d7026eaa13242494bced8740b48d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.963685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086912/manifest.json
observed 6b532bc1eab1351c01db82720d53a41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.947117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086912/publication.md
observed 87438def73c2ab9f8c3b67eb2cf965f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.931311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086912/publication.txt
observed 680095761ed3d371311da78cd102872d...
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.