OpenTechnical

OT-2026-000073074

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000073074) never changes.

Identity and time

Publication numberOT-2026-000073074 · never reused
Internal UUID01a0ae92-c816-775e-9099-3d689f0fa961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073074
StatusPUBLIC

Content hashes

Canonical text8c77fc7a35b24e8c55b737cd82112cf23becb43a50e25200df4ff1089b25acee
Markdown6ff4964a34962fa415a6a239d4f6c5599bb39ed53bd97719a609c7a57de65fe6
PDF
Publication page28c148e2c1509fd955dc34256eac99c68d5be3fa21959724f53590b3656ea7e3
Manifest54471e7ed68d90b0a00a511a38540f1a5df19dacf81e9838cbbc0740efc856e0

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
SignatureYq5XmO2clgh1HD9/QDcVyXxHNv4KXRrDncpGtq3ARtriMcLzI99xQS0mJB6ryjRUnKm4zfr6EWbjPAccjDMMDQ==
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

2026-09-17T10:22:01.442452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073074
observed 28c148e2c1509fd955dc34256eac99c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.424860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073074/manifest.json
observed 54471e7ed68d90b0a00a511a38540f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.407703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073074/publication.md
observed 6ff4964a34962fa415a6a239d4f6c559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.390423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073074/publication.txt
observed 8c77fc7a35b24e8c55b737cd82112cf2...
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.