OpenTechnical

OT-2026-000061148

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000061148) never changes.

Identity and time

Publication numberOT-2026-000061148 · never reused
Internal UUID01a0ae8b-137e-790c-951a-d77e1f440454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061148
StatusPUBLIC

Content hashes

Canonical text0b8a5c9678e4d21e6585264696845cccab11e010c5bab8ff32a18a71c68de743
Markdown1ee6fad8b66e59d7d7afa3299255534a0fa19364044dbb3ddbc95d0aa11f5caf
PDF
Publication page7c3d2008aec1a482d032c974f382df6be9c8aa47502d820e6b34515744c5bf8f
Manifest9ae87e970b884228c1aad3cc9a6b617e00fb46964beee56cd06e9bfc86339053

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
Signatureu1/ewMUdQfoB4OEW96QifyWnOkIGFv6ZRmgXvqe5DWRyup27LFgveEFFvaRzeKvHSjuHAbt6dF4cwEE0A1kBCg==
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...

Independent retrieval

2026-09-17T10:42:31.846208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061148
observed 7c3d2008aec1a482d032c974f382df6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.823484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061148/manifest.json
observed 9ae87e970b884228c1aad3cc9a6b617e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.804286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061148/publication.md
observed 1ee6fad8b66e59d7d7afa3299255534a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.783510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061148/publication.txt
observed 0b8a5c9678e4d21e6585264696845ccc...
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.