OpenTechnical

OT-2026-000051782

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000051782) never changes.

Identity and time

Publication numberOT-2026-000051782 · never reused
Internal UUID01a0ae83-7c83-702b-bad4-898a3901ca85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051782
StatusPUBLIC

Content hashes

Canonical textb2c3d91c1913e0d29ae7708ea8f2d6447b9c029eb8690b669a3dde03b94389e6
Markdown17e3f324047330ea67d37229faae75de68400c6b288b3382c1c6f0a9befb6c94
PDF
Publication page40175b5c1d6736633d0705337a360ee4eee80a36b8e7e0069731a38c66fba36d
Manifeste3d72e40b5739da5566679f979315c105e122e6248c7cf656e7f1f363d38926a

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
Signature5xgEkomfAATKEg2wJS3JJLoUvvWGfg26X3ATchEdWCFGmmO10XPcRO4l0UAJ3IcTqDWZCQEGucU6Agv0MIrJDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:41.450203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051782
observed 40175b5c1d6736633d0705337a360ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.429202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051782/manifest.json
observed e3d72e40b5739da5566679f979315c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.409895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051782/publication.md
observed 17e3f324047330ea67d37229faae75de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.392974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051782/publication.txt
observed b2c3d91c1913e0d29ae7708ea8f2d644...
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.