OpenTechnical

OT-2026-000020884

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020884) never changes.

Identity and time

Publication numberOT-2026-000020884 · never reused
Internal UUID01a0ae6f-65e3-77e6-9171-8d9f4052b76c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020884
StatusPUBLIC

Content hashes

Canonical text55f00cc323194b714626188e6bbe386887c59108c8c13d26cdcc4a25a94ed1cb
Markdownb171af4b18c9189bd1d51abe9e086942c2d442b90bf9809c46cda57803a5b7f2
PDF
Publication pageb194dc1ba5ca5d0066b1395051db79ef270fedea0ccf5b47ba2c225509d37503
Manifestd6fda2551fdc9f17d60c36e4ebc4af7928b5cebff0bd93c7ff2d863545f5e23e

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
SignatureAtoQTfLhmP4oYLpkK851pGTxQinoh1bDyZPB29hu3Hc9/4j8dX2X1EeAgwifkHlSO0XNCqlD/s3p9McV1OwiCA==
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

2026-09-17T11:55:59.723654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020884
observed b194dc1ba5ca5d0066b1395051db79ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.706764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020884/manifest.json
observed d6fda2551fdc9f17d60c36e4ebc4af79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.687184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020884/publication.md
observed b171af4b18c9189bd1d51abe9e086942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:59.668739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020884/publication.txt
observed 55f00cc323194b714626188e6bbe3868...
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.