OpenTechnical

OT-2026-000044072

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000044072) never changes.

Identity and time

Publication numberOT-2026-000044072 · never reused
Internal UUID01a0ae7b-d67a-7e71-be9d-8852d25dc281 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044072
StatusPUBLIC

Content hashes

Canonical text1e48e4b3cbaefaf5856f3569e5b59719505dc0b890c57d29e47225b4921df4aa
Markdown62d99205aa9925eb53331f5106b287fc0cce822a97f4ae797082a18eaadb0f49
PDF
Publication page904689bffcbe55239de4d9dcd4c56221b050196a48977e76ffd2008952065118
Manifest2881ce928ab721eb710694abc82a8bb71941c0c637096b4fdad50f016945e55c

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
SignatureJoFGOCES/D+2UazD1IrTTsP8wUmFWoG0IrU7sZm/OuPNrxOToIvcQOtZ5t+CQjc7y4FFrpYPF6gFHsQvBmgNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:12:28.350563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044072
observed 904689bffcbe55239de4d9dcd4c56221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:28.334659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044072/manifest.json
observed 2881ce928ab721eb710694abc82a8bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:28.314758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044072/publication.md
observed 62d99205aa9925eb53331f5106b287fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:28.295439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044072/publication.txt
observed 1e48e4b3cbaefaf5856f3569e5b59719...
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.