OpenTechnical

OT-2026-000056708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000056708) never changes.

Identity and time

Publication numberOT-2026-000056708 · never reused
Internal UUID01a0ae87-7af6-7ed4-8407-831940da85c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056708
StatusPUBLIC

Content hashes

Canonical text21a69d2e397a8e2d97f70b8163bf3d103ab1288a7ad1d8d4378157068a1692f5
Markdownca13024a479f41d0e6318a04d4c47b70a416b1e0be5ede6db703720e97826ec3
PDF
Publication paged5edbc4f6c72354d654bcea4f7859140f174eb5b37b100f010db1d36c5a2eb12
Manifesta1e544e29277a086974d303c41ab1725ce28fec2a80172c95cafdf25d28e6905

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
Signature9+g2qf6rDbCNIAXpjKseJa1FiwplXs/ibyZ8AsUCDpCr466k1U84GfJdsJQIuzlz/yYIfHE663VZKV8L3TkGCQ==
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

2026-09-17T10:50:06.160180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056708
observed d5edbc4f6c72354d654bcea4f7859140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.141648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056708/manifest.json
observed a1e544e29277a086974d303c41ab1725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.123737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056708/publication.md
observed ca13024a479f41d0e6318a04d4c47b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.095517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056708/publication.txt
observed 21a69d2e397a8e2d97f70b8163bf3d10...
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.