OpenTechnical

OT-2026-000082115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000082115) never changes.

Identity and time

Publication numberOT-2026-000082115 · never reused
Internal UUID01a0ae97-4d93-7890-8df9-a8bf91b8384d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082115
StatusPUBLIC

Content hashes

Canonical text5aa90de40205c7dec3640e5187716f96bdb892af46bd8916f029050d80ad10be
Markdown1c8a2ffd0d9eab4e1a6b4e6b58ceb84848fb65bb7725e21d8e860529384c26fb
PDF
Publication page3dbb4aec0e0096992fe2a636a792872da6d00fbb8c3943d0a11c486c681faaaa
Manifesta132049e66269e83376496eb7567ba847a28ff29944b2716b4827441393b4aa8

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
SignatureLvQAWnaWRarTIbZmf3YlOy/rnQ2FAzbJlQvcw7JoBxkJcMtc3Bp2OPaeSRms0bxEI0481/JAq9AvKAK5IT40AA==
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

2026-09-17T09:58:55.662522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082115
observed 3dbb4aec0e0096992fe2a636a792872d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.644732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082115/manifest.json
observed a132049e66269e83376496eb7567ba84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.625899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082115/publication.md
observed 1c8a2ffd0d9eab4e1a6b4e6b58ceb848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.609456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082115/publication.txt
observed 5aa90de40205c7dec3640e5187716f96...
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.