OpenTechnical

OT-2026-000055204

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055204) never changes.

Identity and time

Publication numberOT-2026-000055204 · never reused
Internal UUID01a0ae86-a0fe-7fcc-a8a0-db3638cf846f · 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-2026-000055204
StatusPUBLIC

Content hashes

Canonical textdaeb22d54b629c1367a99732ff83aa28d039d0b2f4da1cb864918346ca052d64
Markdown3590ad6f7c5c2069732bf028b400ea760637b1b8f3636adc46d9cca39bd08443
PDF
Publication page99859090927ff27b1bc11cee3bf8b8e5cebd6262d2aa4c80a9f92a1d1afd65c0
Manifest2b1b8948fbb9597f63d3a5e59357d61840154f128cb987cc1407358ffcd214a2

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
SignatureX3tt2WIKcbHyClW2zXPtCdAmStdvccG8U3O/+QLQWWktKzfYX1CS+NTd5SzXMFi+mk/uJFYuAYbq3PSgfQQBBg==
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

2026-09-17T10:51:46.739224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055204
observed 99859090927ff27b1bc11cee3bf8b8e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.721323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055204/manifest.json
observed 2b1b8948fbb9597f63d3a5e59357d618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.702948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055204/publication.md
observed 3590ad6f7c5c2069732bf028b400ea76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.686174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055204/publication.txt
observed daeb22d54b629c1367a99732ff83aa28...
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.