OpenTechnical

OT-2026-000049275

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049275) never changes.

Identity and time

Publication numberOT-2026-000049275 · never reused
Internal UUID01a0ae81-134f-7b6b-9c73-b30e35048f1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049275
StatusPUBLIC

Content hashes

Canonical text8ef9b1918aaf590d917068452f530a3d2ba0b0a198550a5aa0c9590e446fc582
Markdown6945ea03e0517dac064b0f2065f7055f9c420834085a5f5b5e89bff0f5aa0592
PDF
Publication paged3137dd94be502f2cf999403113093d7687d00d700095ff1c81fd325b56c2f17
Manifest0bb0a59752826d8b9c9edad5e0b0dbfd4c56574f3a192a748e9eb995b93a8cce

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
Signature9HWGx6jemSI2a6KL7Vp/GAQqxz2EaiabaKOmAAFPy41bNhAKSyjWLxP3TfxqWyITiIyPfVdoTVAdbIgdk2MjAA==
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

2026-09-17T11:04:07.842709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049275
observed d3137dd94be502f2cf999403113093d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.823823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049275/manifest.json
observed 0bb0a59752826d8b9c9edad5e0b0dbfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.804795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049275/publication.md
observed 6945ea03e0517dac064b0f2065f7055f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.786219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049275/publication.txt
observed 8ef9b1918aaf590d917068452f530a3d...
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.