OpenTechnical

OT-2026-000011305

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000011305) never changes.

Identity and time

Publication numberOT-2026-000011305 · never reused
Internal UUID01a0ae6c-5410-768e-a995-225adb62ced1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011305
StatusPUBLIC

Content hashes

Canonical textbc609ef0488d4ce458ee3a1f873cccfca85d96bb2e70c6d4541bed8424790fac
Markdown7260d83f1802be707284068a861281c219e05f744a5c03e8141da05a8899a27d
PDF
Publication page6fa09e1e2274a7041eea706fc77db45b9eed114baf4a9acd738a219447cef545
Manifest78e45bf791528dc1cf6948dab9d2d6bda1f95a8811d997653f99296c8bff7f27

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
SignatureZnR3Tj4Y5eWpBCHT7938F6qnzl8xWgu7oPrlzRGyOsKhM2SR1S9xFKnRgnW8cC2nHYKGPxWgRHoWttOJBKiZAw==
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

2026-09-17T12:14:17.027345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011305
observed 6fa09e1e2274a7041eea706fc77db45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.006452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011305/manifest.json
observed 78e45bf791528dc1cf6948dab9d2d6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.986337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011305/publication.md
observed 7260d83f1802be707284068a861281c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:16.963655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011305/publication.txt
observed bc609ef0488d4ce458ee3a1f873cccfc...
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.