OpenTechnical

OT-2026-000026175

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026175) never changes.

Identity and time

Publication numberOT-2026-000026175 · never reused
Internal UUID01a0ae71-a841-7ba8-96f3-5770714d258e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026175
StatusPUBLIC

Content hashes

Canonical text20d9207ab2e9f9d9834aff34039b152e83d0073bc9eb18f13e0b785e023d5783
Markdown164587a2f7cc78689c477d4491b1f7383e12f20befffd0e9ac84617c4a8a867d
PDF
Publication page559d5bdca970c078e4f3db236e491b554c07f40a923291d7a01e39af6f53c386
Manifest157ea05d3fb13aa31ea1cf03cdc010425d0e9a1dd1cbe7002be07739ed86872e

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
SignaturesF1wRTekKoElr8jHPH0VjL57vlHFYCpQ8+sZwzdo/LgEQHVRzjOHLx9EXXqqhOpvjvGpk1Nz6G/t3/O68ANfCA==
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

2026-09-17T11:46:41.139223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026175
observed 559d5bdca970c078e4f3db236e491b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.120482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026175/manifest.json
observed 157ea05d3fb13aa31ea1cf03cdc01042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.099964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026175/publication.md
observed 164587a2f7cc78689c477d4491b1f738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.081498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026175/publication.txt
observed 20d9207ab2e9f9d9834aff34039b152e...
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.