OpenTechnical

OT-2026-000088899

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line 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-2026-000088899) never changes.

Identity and time

Publication numberOT-2026-000088899 · never reused
Internal UUID01a0ae9b-8f11-708b-b14f-c1d1462af78b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088899
StatusPUBLIC

Content hashes

Canonical textca4f8188fd28b6c3fa71bf04eb80d3de340c82fce50255b9c99f502351b96e7d
Markdown437a0e9b18e20d9ab1b2137ea4ccf3c64e24408c6228268e9f41277ef35a1cbe
PDF
Publication page0be33c2aade7a1dadbe151d67f381ea92110d285ed57dfb0f37985a0a2f504b7
Manifest1b98d8f7e4eada2779ffe8169b9da6a5546356da6d548fef5d3625a4a23f89b8

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
SignaturehCj79onzfD4h7iUQp3aVvUdIh1OhHBcotT6fUQHNmtBnHlt3lSFC2DKgOOmvCdICQuW5f07uQ+EoFgTnWPM1BA==
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

2026-09-17T09:48:18.098120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088899
observed 0be33c2aade7a1dadbe151d67f381ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.080549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088899/manifest.json
observed 1b98d8f7e4eada2779ffe8169b9da6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.061787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088899/publication.md
observed 437a0e9b18e20d9ab1b2137ea4ccf3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.043101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088899/publication.txt
observed ca4f8188fd28b6c3fa71bf04eb80d3de...
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.