OpenTechnical

OT-2026-000034619

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000034619) never changes.

Identity and time

Publication numberOT-2026-000034619 · never reused
Internal UUID01a0ae76-1ed1-713f-b58e-9b0a219d8d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034619
StatusPUBLIC

Content hashes

Canonical textc52af620987f25e5d32d0d0b97dd7280a747ca7044834515bc9111a2a4810f9a
Markdownc59e66c645eaf206113809125eab2f764b78ec15bcb2b50e2771bc84276f377f
PDF
Publication pageb0d6ad3e5c646b5c90007a06928aeb30191549ca88569b59e00deba8161f2eba
Manifest6a0a0ebfaaba65fd63704cfc858c6a9d2830ec4f902e1490942ae10f33b195b5

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
SignatureBux+NBZyXm65OpLPGGdwhxd/a7QbF0z/6vya3EhufV3V9qj8H0EwPhXfVcS2kqrnd00l3OErDNFdy1Iop8IQDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:29:00.104223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034619
observed b0d6ad3e5c646b5c90007a06928aeb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.087137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034619/manifest.json
observed 6a0a0ebfaaba65fd63704cfc858c6a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.071471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034619/publication.md
observed c59e66c645eaf206113809125eab2f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.054227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034619/publication.txt
observed c52af620987f25e5d32d0d0b97dd7280...
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.