OpenTechnical

OT-2026-000063284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000063284) never changes.

Identity and time

Publication numberOT-2026-000063284 · never reused
Internal UUID01a0ae8c-94ab-70dd-8aac-e5a0e6ef0046 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063284
StatusPUBLIC

Content hashes

Canonical text21e3c2f5380c80f87815fd9bd0bb80e5f2b3558113e8786e15386f9d2f49833d
Markdown51308f7f9f1c02b3a9e4f8f5380210c4202ae05716e330f290e566511b5f6951
PDF
Publication page5aa56d0ca288ba9a11ee80ff17800b18553e58590fef61dcaece47ce72eff55f
Manifestb07b0b043647fd41508c895185723a26f23b9dad8aac4b54e62e322fa0fd3d2c

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
Signature8U0QRI2D0CtFI0xMqRqtgQjhiWwManrsIpQkQDRgv7IiPomcZCi/SBAtE4HzNz23oeK3YWymyAbg+rMPOvFpAg==
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

2026-09-17T10:39:10.617655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063284
observed 5aa56d0ca288ba9a11ee80ff17800b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.601942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063284/manifest.json
observed b07b0b043647fd41508c895185723a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.585331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063284/publication.md
observed 51308f7f9f1c02b3a9e4f8f5380210c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.567456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063284/publication.txt
observed 21e3c2f5380c80f87815fd9bd0bb80e5...
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.