OpenTechnical

OT-2026-000049830

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049830) never changes.

Identity and time

Publication numberOT-2026-000049830 · never reused
Internal UUID01a0ae81-8ff0-74e7-ada3-81d25f5804ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049830
StatusPUBLIC

Content hashes

Canonical text5564f470d19621539a1763089f56a04f69988da83c8692581ed33e3e453d10f6
Markdown97a593ab55dd9307f7a07d4bec0de36b9013d32c665fbc136bd2274453039ae1
PDF
Publication page40d6353e5b4757293ed0c04f8d2c3f0a13078ac0b573b5fd3f5ff85f8c861d37
Manifestb77627e7ad371df70e4f4e007731414d86d1832d8023c9869049d8f1b98f5d23

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
SignatureGUtVyDFMH0RDTf/NBU2N3s0kyxpsS9av+LiL90rJb5jukp7wnQAHvvnH7EHEmBEQqoeEcAj0fzxLDF9oJzZkBw==
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

2026-09-17T11:02:57.949488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049830
observed 40d6353e5b4757293ed0c04f8d2c3f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.930416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049830/manifest.json
observed b77627e7ad371df70e4f4e007731414d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.910742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049830/publication.md
observed 97a593ab55dd9307f7a07d4bec0de36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:57.891167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049830/publication.txt
observed 5564f470d19621539a1763089f56a04f...
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.