OpenTechnical

OT-2026-000009354

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, vented 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-2026-000009354) never changes.

Identity and time

Publication numberOT-2026-000009354 · never reused
Internal UUID01a0ae6b-7561-7ab7-a7cb-d051524c5422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009354
StatusPUBLIC

Content hashes

Canonical textfbf45229f56af17e0a80fdd2093a43e113b81b4dd4e43c05c19179ac9fc7b1be
Markdown2f07cc7eb07f22fba398fe49b9535452dcb06e51efca6fe3b446baa5226a6191
PDF
Publication pagea9b2191c1ddd70c8cacc026faca429f8514c0af7ace1d5ce8c31f6403b85ae9c
Manifest86dec4b07989e4cea2a1eb3f62378f620891c629b87cc39f51b153b65835e84d

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
Signature4mUnqF3wP6X45qCrFC8STyrqnedwPk6jtPjXS4CHNubnX2i9VRHdpHlBOZuXalIog3L7GxzAFE3dBoodAg7KDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:37.141390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009354
observed a9b2191c1ddd70c8cacc026faca429f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.122336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009354/manifest.json
observed 86dec4b07989e4cea2a1eb3f62378f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.105044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009354/publication.md
observed 2f07cc7eb07f22fba398fe49b9535452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.087266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009354/publication.txt
observed fbf45229f56af17e0a80fdd2093a43e1...
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.