OpenTechnical

OT-2026-000055840

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000055840) never changes.

Identity and time

Publication numberOT-2026-000055840 · never reused
Internal UUID01a0ae87-0a49-7251-b647-eca38eba2d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055840
StatusPUBLIC

Content hashes

Canonical textfb1559295ca5463b9a62d07c6e6107b1c35c65ba39fc7f29d9c03873cdad0222
Markdown236ff57ab577da6ba1c3b7bcaabcf1d508f6960cab5fd34ba92c527263ec52a3
PDF
Publication page8d4d511396fbfa34813fb5428121747f316fad749d780a5c196f721878562235
Manifestafe49853532f423fd4c9e5def740b12402304ac6e47e42e6cb7d0d93e5b1b6be

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
SignaturehJ2lTG99A22IAYKiklCKn+D9toTPDMoFgPgXoREi4RZkloep9wgOPq15yazllQ3UFmO5k5mFSv/QdaIpgZ69CQ==
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

2026-09-17T10:51:13.677197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055840
observed 8d4d511396fbfa34813fb5428121747f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.659422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055840/manifest.json
observed afe49853532f423fd4c9e5def740b124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.640492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055840/publication.md
observed 236ff57ab577da6ba1c3b7bcaabcf1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.622536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055840/publication.txt
observed fb1559295ca5463b9a62d07c6e6107b1...
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.