OpenTechnical

OT-2026-000051983

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000051983) never changes.

Identity and time

Publication numberOT-2026-000051983 · never reused
Internal UUID01a0ae83-e78e-77b6-86c2-5f08a84e8262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051983
StatusPUBLIC

Content hashes

Canonical text161836843640f3ff5bcfe0ed4b3de90399c8c0e1bc12040e03b2c3b1ed343c3a
Markdown8cd4a5e0f742ce80998542cd50f9341af48d274b807e53b84b1f5a5553a759b5
PDF
Publication page5a2d828c15036434d410a7d9b5bbc02f935ac02e6a3e6dcb0aa373df3f1bd965
Manifest868b95d628aedc937b6ef145c4767b8109d3c85b0c3f89425f2e251769df09e1

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
Signature1A5blnuZhr1yQjA7rubq1wTIgU1IOF5TCkrL/02VvLEznTrXJqg1dFEMzFL4fPepQbTf9IkCOp5F0xbuTRZ7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:29.061551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051983
observed 5a2d828c15036434d410a7d9b5bbc02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.043827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051983/manifest.json
observed 868b95d628aedc937b6ef145c4767b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.027515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051983/publication.md
observed 8cd4a5e0f742ce80998542cd50f9341a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.009359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051983/publication.txt
observed 161836843640f3ff5bcfe0ed4b3de903...
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.