OpenTechnical

OT-2026-000028178

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000028178) never changes.

Identity and time

Publication numberOT-2026-000028178 · never reused
Internal UUID01a0ae72-a520-7474-8669-dea6ab0485ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028178
StatusPUBLIC

Content hashes

Canonical text4028b49b0bd06dcc811800b39d7ead259756d507795d14f1bd843b2bbd31d120
Markdown4bd1c45857d17ff6a6355519adf171e74b0e6ddd9cbf4382dd180ebfff075bf8
PDF
Publication page18ccfe1ddeb6b4d228d4b47fc7089ebbab1e0ca16d2836f7b1c63379ae32fe80
Manifest7d761abbea392f82e32113d3ada0d2fda0d0050ad28852ff3076c1d0d6c927ce

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
SignatureJFAsADL4Suy5HpG+d/68rA//JM6Ln9Mwb5lKkoE/ptprloCGytnpASxdYuDl4A452qFLpLzhHwoPGtbu95yBBA==
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

2026-09-17T11:42:32.146123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028178
observed 18ccfe1ddeb6b4d228d4b47fc7089ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:32.130108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028178/manifest.json
observed 7d761abbea392f82e32113d3ada0d2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:32.113608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028178/publication.md
observed 4bd1c45857d17ff6a6355519adf171e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:32.094513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028178/publication.txt
observed 4028b49b0bd06dcc811800b39d7ead25...
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.