OpenTechnical

OT-2026-000047589

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000047589) never changes.

Identity and time

Publication numberOT-2026-000047589 · never reused
Internal UUID01a0ae7f-3e59-7206-9747-88b2bc84cc1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047589
StatusPUBLIC

Content hashes

Canonical text47d1690caeca24610c754ed5f30c0f48ea2407238ffad3db148ecfabd068eb80
Markdown5c1bce90d6905021fa7831ec902390c80bedc678e1d90e6c1578ac61b7f7ab24
PDF
Publication pageed4f2c6ab4fbb037c87d3ea2def9ba538e709ca1f16ce251ace4aacf48bd34b4
Manifestb91d5e927b1764e600de86256bfd29cc406e54e0675540f9975de42e7ce8390d

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
Signaturefm2TvgD++dCCWDTgc46TNDsUoKN9O4Cc7cByKGK3KpbuCLryvc1E/P1pNRG0NFZ2peQbtEs2IVuNOosQwmTQAQ==
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

2026-09-17T11:06:43.365683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047589
observed ed4f2c6ab4fbb037c87d3ea2def9ba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.348056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047589/manifest.json
observed b91d5e927b1764e600de86256bfd29cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.317101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047589/publication.md
observed 5c1bce90d6905021fa7831ec902390c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:43.298557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047589/publication.txt
observed 47d1690caeca24610c754ed5f30c0f48...
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.