OpenTechnical

OT-2026-000091916

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091916) never changes.

Identity and time

Publication numberOT-2026-000091916 · never reused
Internal UUID01a0ae9d-43bb-7b7d-96b4-c13fb54ed511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091916
StatusPUBLIC

Content hashes

Canonical textcd69f129b1f5dc3377a6c8939f411ca6ce22f08de90e2b980eb817dde3f7b10a
Markdown86ccef81fdcd6248dc19a4aae38c894f1ea0116db67e144aed673c7ea3296ffa
PDF
Publication page74f795ca6a0315787f53fadf7903cdded5451209a642662d8a39473441658f81
Manifest547bc3b8e879c75130b4690234b55e6ebfc9c12498804c88e3a298a72626294b

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
Signature9Wc8IrjMNkTv2dYJJkGWdgVdciepdrusHyfA4UzjUq1aKFujcSd2tt5OplqAgBRfMMK2ElfE4tZWXopS4LG2AQ==
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

2026-09-17T09:42:51.372265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091916
observed 74f795ca6a0315787f53fadf7903cdde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.355471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091916/manifest.json
observed 547bc3b8e879c75130b4690234b55e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.338166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091916/publication.md
observed 86ccef81fdcd6248dc19a4aae38c894f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.320989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091916/publication.txt
observed cd69f129b1f5dc3377a6c8939f411ca6...
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.