OpenTechnical

OT-2026-000073550

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000073550) never changes.

Identity and time

Publication numberOT-2026-000073550 · never reused
Internal UUID01a0ae92-efb9-7755-a6bd-b39218d3f593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073550
StatusPUBLIC

Content hashes

Canonical textb9de56fbf519471c0de7f154143ff43592788c7de4eebedb3fe5622b12aeed59
Markdown9d1be16f5bc9a092c5e229e4e1696a47acce498c398e584165976d4f51cacc05
PDF
Publication page34cabf2dfa1de805e681cd4183c1a195ff1d1913a52529539ffdd039cb95fe8c
Manifesteec196bcadbebd66480f3c466d8dbdacf63827961dbe0912e9a796f0fb4ba83c

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
SignatureA86dHHrT/Fmt3TNsRHluiUj+ORZEw9gGnJ51MwHLWdpxEDsP/NXzPDWZEFP1MbNuj2Wk481b3lbcMIKwXWt4Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:43.305315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073550
observed 34cabf2dfa1de805e681cd4183c1a195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.288808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073550/manifest.json
observed eec196bcadbebd66480f3c466d8dbdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.271953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073550/publication.md
observed 9d1be16f5bc9a092c5e229e4e1696a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.254482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073550/publication.txt
observed b9de56fbf519471c0de7f154143ff435...
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.