OpenTechnical

OT-2026-000068469

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000068469) never changes.

Identity and time

Publication numberOT-2026-000068469 · never reused
Internal UUID01a0ae90-2481-7a74-b9f9-0bc94ab67316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068469
StatusPUBLIC

Content hashes

Canonical text188a044f1f16833a4d4643ff33ad311b67753bf4441a613543f007d49f5b0e09
Markdowndbe2c5fe06ed3d49ff44fe4eff4b1882b863efc66fe7cfcb158f63ad43a14b4c
PDF
Publication page90000a1e62e707cda3d5dfcf5fd47fbb4ca2c17a6af29d66e9a9bb0391aa10f9
Manifestdb70da94810e84a047ab33b1398cbb77f24c1614593e66505e20e15982c71307

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
SignatureR/GP2j5IeKAt3kT/cPxsYwnr9jSHPjbDJEW+Ey7dqfX37+V3wNuxL4zeCHCT9Kb9JE6l2AXDfJ1okrgTmpf7CA==
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

2026-09-17T10:29:37.156525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068469
observed 90000a1e62e707cda3d5dfcf5fd47fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.140038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068469/manifest.json
observed db70da94810e84a047ab33b1398cbb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.123458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068469/publication.md
observed dbe2c5fe06ed3d49ff44fe4eff4b1882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:37.107263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068469/publication.txt
observed 188a044f1f16833a4d4643ff33ad311b...
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.