OpenTechnical

OT-2026-000060232

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000060232) never changes.

Identity and time

Publication numberOT-2026-000060232 · never reused
Internal UUID01a0ae8a-5a73-741a-8219-d3c48a40c2a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060232
StatusPUBLIC

Content hashes

Canonical text61f92a4eeee2861999f7ea255b361ce6435022cd041f7b7b0cf28b27885debb6
Markdown70896067169f995070c1c2a082ede49c9a0fcd004b339ee256be5f7b95c4ebf3
PDF
Publication pageeba46d93284b156f7ced9b6134d75d2f1fb9461c2a8df5652147f66123eecaa6
Manifest74ca1615bf7138024f0b55c7a61f63d965081e68ca772d03d84c04dfcb58043a

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
SignaturewuoRkRn2wOOFudANt2zRKwoqt2mQOnuDUNJseqRbT3u6XNZNBL1lvbxwZLo/P4LiHpiFXgjgnQiUSf2vv1jkBg==
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

2026-09-17T10:43:54.662121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060232
observed eba46d93284b156f7ced9b6134d75d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.643313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060232/manifest.json
observed 74ca1615bf7138024f0b55c7a61f63d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.626217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060232/publication.md
observed 70896067169f995070c1c2a082ede49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:54.608195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060232/publication.txt
observed 61f92a4eeee2861999f7ea255b361ce6...
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.