OpenTechnical

OT-2026-000055220

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-2026-000055220) never changes.

Identity and time

Publication numberOT-2026-000055220 · never reused
Internal UUID01a0ae86-a0ff-72e7-ab7e-b036ba72d711 · 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-2026-000055220
StatusPUBLIC

Content hashes

Canonical text9326cfada69e2253bfcfbaa58d23f51f2dc2d37341a342c0a469b463828b447a
Markdown8327a68f07ad39569b06c4b287a5546cd702d56bcf766310f13789966d5d7a2f
PDF
Publication pagec5b7779e8de2c10085194b3162bd673129d05dd6768d5abdae44f712c700e4d1
Manifest1adc9d80ce4e1b1c5009bee1bd4aba96a6855ecfdebb3ee338c6b03c301744ae

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
Signatured2/NjjpotBZM2JliluMMylA0jMJIfExmxmTiTe3z3y7CEIER0Ah2nW7XGcCrGa+X2NL8hzWnbcfrDPeo3OorBQ==
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

2026-09-17T10:51:47.920133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055220
observed c5b7779e8de2c10085194b3162bd6731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.902991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055220/manifest.json
observed 1adc9d80ce4e1b1c5009bee1bd4aba96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.883776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055220/publication.md
observed 8327a68f07ad39569b06c4b287a5546c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:47.866814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055220/publication.txt
observed 9326cfada69e2253bfcfbaa58d23f51f...
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.