OpenTechnical

OT-2026-000008456

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000008456) never changes.

Identity and time

Publication numberOT-2026-000008456 · never reused
Internal UUID01a0ae6a-e46a-7f31-94f3-1ab9ae6dcfea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008456
StatusPUBLIC

Content hashes

Canonical text5ba6a65be4fded2203ecde178bf96c3c92d1969da4af3e6677254c6f0536e35a
Markdowndc84d41d45afe84db6eb4910637e0069a7f6107d53da0210138df2d282019f74
PDF
Publication pagef2d51d32f16a8ba69b85ee64c05370ee2fce53dc1b8f7b554b14782c9e75ece0
Manifest673e41710220e8ed23a07d3645434ce465cc10e22e90c2bea0b9821f9b2bce4a

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
SignaturepnPeuK3bq3fgLYld0PmLM8ch61yRhnWjEbVbLA1LYYR4uYsXgVC+iFekKNxcqm+PY2Vylce1oBqOFeFEIdeACg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:20.512998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008456
observed f2d51d32f16a8ba69b85ee64c05370ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.493849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008456/manifest.json
observed 673e41710220e8ed23a07d3645434ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.473126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008456/publication.md
observed dc84d41d45afe84db6eb4910637e0069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.454652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008456/publication.txt
observed 5ba6a65be4fded2203ecde178bf96c3c...
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.