OpenTechnical

OT-2026-000038333

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038333) never changes.

Identity and time

Publication numberOT-2026-000038333 · never reused
Internal UUID01a0ae78-2d52-720a-838f-f51d4519662b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038333
StatusPUBLIC

Content hashes

Canonical textb2af2f6aaeef78a3644499f556974d20a38b6c3553210a6b2bc237c531868218
Markdown26366b50f0f1e563b109ec871cdb2ee9a07b2b34db8df4dd9756ed80c78aae9d
PDF
Publication page4b42c14fe19023888e8ac6148d040d7139e21d80416b68c53897355118edf919
Manifest0d130c06c74a9c620459f6cc243c4c7f83e0762e59166d4e28b79b5b6cbb6a75

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
Signature9sI/hA+w1qjOPIrANmj3SKcKMgr6/ID2rXqjGg2cHttjcvkiCn6GOCgxajixdFVgQ+wlz3uJ4pIK/kiTRNpdCA==
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

2026-09-17T11:22:30.975361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038333
observed 4b42c14fe19023888e8ac6148d040d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.957011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038333/manifest.json
observed 0d130c06c74a9c620459f6cc243c4c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.938787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038333/publication.md
observed 26366b50f0f1e563b109ec871cdb2ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:30.919009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038333/publication.txt
observed b2af2f6aaeef78a3644499f556974d20...
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.