OpenTechnical

OT-2026-000056663

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000056663) never changes.

Identity and time

Publication numberOT-2026-000056663 · never reused
Internal UUID01a0ae87-7af6-7e3f-a79e-47f983ae956a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056663
StatusPUBLIC

Content hashes

Canonical text920b00bb8393f492c01db932a1f1609bbd260f67938493c3d5e5dc552f854199
Markdown0e4d0df370c34e53b7a482e9280a122fa838d345d03d8591dee7b5de260ced81
PDF
Publication page40a4b3e5485763c5603877f3d601b5cd7a5f67122305157f1dfd9f8bcd42d0fd
Manifest3e6a25167d2c8bb2eb555a118af617852cdfc07b5ef3e5c9a8d4db393ad8812d

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
SignaturetL/TQgPPl0FdHcJ3KyAOfYCrI7hb9uWQRvkRJ2vbX24qlUiDGtKXcryuCB/hASoOEwMoUjIKW7WFebjuGITwBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:01.951182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056663
observed 40a4b3e5485763c5603877f3d601b5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.932395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056663/manifest.json
observed 3e6a25167d2c8bb2eb555a118af61785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.911530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056663/publication.md
observed 0e4d0df370c34e53b7a482e9280a122f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:01.894684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056663/publication.txt
observed 920b00bb8393f492c01db932a1f1609b...
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.