OpenTechnical

OT-2026-000069662

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000069662) never changes.

Identity and time

Publication numberOT-2026-000069662 · never reused
Internal UUID01a0ae90-b52c-7b46-a2f4-deb3aa178c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069662
StatusPUBLIC

Content hashes

Canonical textf1f69fa1a6ded839d46c1623cd51198af6912a18f9d23c6c85be4f09b11a5874
Markdown543810dbb62342b0b91736ca76312072214d4af92160ad4e525b4da0d6b214e4
PDF
Publication page899556449c07e9165eb301d60015f60bacccc1e971a7116b4281a0f0ed88789f
Manifest733306ffd8b36351b4c1dfb484d0052aeb79b02ef263c658390fb2351ba5f6d3

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
SignatureBcUVp7hhfT7kkxGKXJd5gvIAj+W8tMg+lOjsd/RncT0wDytzKb7VxbhtvvAikVPz2BTrDXDieyCqaBoSVygMDw==
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

2026-09-17T10:28:19.493483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069662
observed 899556449c07e9165eb301d60015f60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.476946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069662/manifest.json
observed 733306ffd8b36351b4c1dfb484d0052a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.457490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069662/publication.md
observed 543810dbb62342b0b91736ca76312072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.432848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069662/publication.txt
observed f1f69fa1a6ded839d46c1623cd51198a...
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.