OpenTechnical

OT-2026-000068944

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068944) never changes.

Identity and time

Publication numberOT-2026-000068944 · never reused
Internal UUID01a0ae90-6dcd-73e8-aebd-ef31a3b4c67b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068944
StatusPUBLIC

Content hashes

Canonical textb5ba404e0e6b46c4260bad532d7c1c45c357be3a0be4ab78ab0e6498328c6915
Markdown161e2378ba36d05090d3e55d3d53752d454b33dd4abfd3cd935826dce4b5a7fb
PDF
Publication pageef68f61cd407bbd07800b774aea35dc5845fcc4f8a8f4b2557a39a0853baeccf
Manifest0957fce1e524f8ad103866a50967b04e55965a6027070f7cb1343c47c56edf6a

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
SignaturedI0b2oF08kl9zS+uPjLRvczY2gImlQ3DkiypQLTUEaerq5gyAEHGr7diBpV3cX2NJztvVdygRlavsgYZHaZKBg==
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

2026-09-17T10:28:46.758330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068944
observed ef68f61cd407bbd07800b774aea35dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.741908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068944/manifest.json
observed 0957fce1e524f8ad103866a50967b04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.724400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068944/publication.md
observed 161e2378ba36d05090d3e55d3d53752d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.706271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068944/publication.txt
observed b5ba404e0e6b46c4260bad532d7c1c45...
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.