OpenTechnical

OT-2026-000040544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000040544) never changes.

Identity and time

Publication numberOT-2026-000040544 · never reused
Internal UUID01a0ae79-6d0d-7561-b267-8ac17ec3b23c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040544
StatusPUBLIC

Content hashes

Canonical text38a6ef8f36540d7d9a82481fc1f65ac7e67dd79265908779fdb9b4f66519ff8d
Markdown1bd8218c7ed5b8614e5a619e43fb907eab01630157df6c255bd998f40f700916
PDF
Publication page03b647cc0181cf1286041c50d85a3b955a804626b8c69c9627c6a14dc67b09ce
Manifestf9493f34d2ece5191139178866cdf5681babb4c8be9610f595d3712d0e5689c0

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
SignatureBJz5LDOncgOsrYVBajfLSfcuIe48ZDj0QVM3Vvw5SP70JlSrJRKT038VZOp610r6yDp95jH4KeMKMlL3Kez0AA==
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

2026-09-17T11:17:41.946368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040544
observed 03b647cc0181cf1286041c50d85a3b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.927425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040544/manifest.json
observed f9493f34d2ece5191139178866cdf568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.908777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040544/publication.md
observed 1bd8218c7ed5b8614e5a619e43fb907e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.891133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040544/publication.txt
observed 38a6ef8f36540d7d9a82481fc1f65ac7...
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.