OpenTechnical

OT-2026-000055588

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000055588) never changes.

Identity and time

Publication numberOT-2026-000055588 · never reused
Internal UUID01a0ae86-a103-7ab9-b44d-13bcc1098ad5 · 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-2026-000055588
StatusPUBLIC

Content hashes

Canonical text44697fbdd65d3effbe246ea60ddfe5d103539c8354a4d17bc66f78b88a340c23
Markdowne30033c31aad391b1cafe059091aa48ceb1997b614aba2b50e6178cd8826d2b7
PDF
Publication pagedf7ad8fa1c5f4fd819753169f1c9c4cd290723a27143464702433e2fe65f61ad
Manifestc343aa93e9f75cac4bd16501298d20983b59a006936af23be8af84f050c6521e

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
Signaturevv3E3rYQ6RLWFstJFuvwnjfJ09gcQrsYEweJM2K+k3+FCHdZtV3GDMcE316uj0mnfZ04wKZJBntUnhgZInZfCg==
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

2026-09-17T10:52:49.582148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055588
observed df7ad8fa1c5f4fd819753169f1c9c4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.567357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055588/manifest.json
observed c343aa93e9f75cac4bd16501298d2098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.550108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055588/publication.md
observed e30033c31aad391b1cafe059091aa48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.532823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055588/publication.txt
observed 44697fbdd65d3effbe246ea60ddfe5d1...
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.