OpenTechnical

OT-2026-000067418

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000067418) never changes.

Identity and time

Publication numberOT-2026-000067418 · never reused
Internal UUID01a0ae8f-6bd8-7b72-9ee3-9030cf727f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067418
StatusPUBLIC

Content hashes

Canonical textd1e93ba8ca9a0ea1aa4d98a68a7fa7a21c5a90027d4a648f16b36aa4ee0d3045
Markdown90449fcb78e2c09fafe958050de5fffe5ff585b8e36419492a88e8ea68b73e11
PDF
Publication page2cd70d4af9209795cd3a7461e8e570c6f8b28d179457cef1241dedcf9ccbf3d0
Manifest833512aaeed7a7ef82fbfccc9fc871f98c6ee5724ee820c9e675df2ca7fb4f3c

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
Signature9m6GP6rEp+Hn6AWA3LoiR0NNlU4fH19mBjaABX0TrtjBxPjnRDTOYVnn3HY1grG7IepoqM3bpMVSDMkhVwnCDA==
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

2026-09-17T10:31:36.962650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067418
observed 2cd70d4af9209795cd3a7461e8e570c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.945489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067418/manifest.json
observed 833512aaeed7a7ef82fbfccc9fc871f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.926831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067418/publication.md
observed 90449fcb78e2c09fafe958050de5fffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.908885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067418/publication.txt
observed d1e93ba8ca9a0ea1aa4d98a68a7fa7a2...
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.