OpenTechnical

OT-2026-000089279

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089279) never changes.

Identity and time

Publication numberOT-2026-000089279 · never reused
Internal UUID01a0ae9b-db01-7c7b-9bcb-dccbfdc3bd1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089279
StatusPUBLIC

Content hashes

Canonical textb0cd59a3a9b19dc2119222e8fce4c6817eb2279c2978ae63efdd6030c15ef768
Markdown9e22c117cb238c72e423edceda82e756e7470eade438b49158632c3323896b50
PDF
Publication page8b1b094316007d9d0c6a045603a6a5af684269ba49367632b26d07624c029f8f
Manifest0b2151533c52fb20bda35e07743c01998fd36c4243fced93a4e86577b2d2bf4c

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
SignatureyKjdGRM5H1cmQ+Hkw4JHTu7jWLsXvexHYedpvvitdMBhEnH099P3L2Y9PqTUJaT4vBOFI9oV+6HD3S7ScrhfCg==
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

2026-09-17T09:47:19.408543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089279
observed 8b1b094316007d9d0c6a045603a6a5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.391401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089279/manifest.json
observed 0b2151533c52fb20bda35e07743c0199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.372119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089279/publication.md
observed 9e22c117cb238c72e423edceda82e756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.354347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089279/publication.txt
observed b0cd59a3a9b19dc2119222e8fce4c681...
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.