OpenTechnical

OT-2026-000090046

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090046) never changes.

Identity and time

Publication numberOT-2026-000090046 · never reused
Internal UUID01a0ae9c-428e-784b-83bf-6317af73d79c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090046
StatusPUBLIC

Content hashes

Canonical text61d2f5eb67dcc3e1dc322e437bcf7360ff6b806b200e12be066862d39dd45361
Markdown942caafb16d2f0645b35eb9ba554f22a84f09e013d2651a21f54760508ead0c4
PDF
Publication pagee15ed88b393f84b0508c5fb10daf555baa078edf59db7e3299fa69cdf93fd9dc
Manifestfecb7f46a023b54a195c350072680e7af3963f88bd1220048bc7c8f77cfec59e

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
SignatureY1SKqEvZvuXdJVsgjRhh0RckZvSlnxWXsWI0HT6gQEn5qcRG8MiUZXosVD2gmnKKeacLiQNthgUzsMfx8YKuCw==
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

2026-09-17T09:45:27.067306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090046
observed e15ed88b393f84b0508c5fb10daf555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.050899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090046/manifest.json
observed fecb7f46a023b54a195c350072680e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.030532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090046/publication.md
observed 942caafb16d2f0645b35eb9ba554f22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.013204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090046/publication.txt
observed 61d2f5eb67dcc3e1dc322e437bcf7360...
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.