OpenTechnical

OT-2026-000055321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000055321) never changes.

Identity and time

Publication numberOT-2026-000055321 · never reused
Internal UUID01a0ae86-a100-7a88-9001-ec45e538121e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055321
StatusPUBLIC

Content hashes

Canonical text7002facc714204f5191d8f1e396b9cedc5bb59a974a1171973951672347b0585
Markdown59f26ce4456506984860acde92a115d883324cef61e74d16e129a4ee0642b302
PDF
Publication pagee3f72ad9851a6bd15182f799863b352316298529a2f58c1fbfdecb4a2aa40544
Manifest5cd498f836f3c5d44fc1565259418d8a89a2c3b702f11ace00d12f3b9f729636

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
SignatureSWwbwGx4K0fhz0lVikeSWj9l20R9kEO5Y/At8hzAs/sV+smp84YbMy+rfbTE3yNknq7N9f99rNhe98tgShIZBg==
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

2026-09-17T10:51:56.349969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055321
observed e3f72ad9851a6bd15182f799863b3523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.331916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055321/manifest.json
observed 5cd498f836f3c5d44fc1565259418d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.313354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055321/publication.md
observed 59f26ce4456506984860acde92a115d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.293779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055321/publication.txt
observed 7002facc714204f5191d8f1e396b9ced...
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.