OpenTechnical

OT-2026-000048318

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000048318) never changes.

Identity and time

Publication numberOT-2026-000048318 · never reused
Internal UUID01a0ae80-4de3-7ed3-8706-2debb64e59fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048318
StatusPUBLIC

Content hashes

Canonical textd7aae281c5105c3aa02d7c42745b4f149eba7faf213d203f906c6614fa885313
Markdownf83a2102aa91253efcbd06867b4088ad20f0f2fc971367455c34de3c8ba9e162
PDF
Publication paged91e8a39cb4cf2571e81749aa1e6a908817d697fa6106a522bfce6abc7deafc6
Manifested5ea22d4c8b9ef9fa16c671a9463adbbdbbf6364562de21aeb5a318a48ced79

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
SignatureY6Sf/aJtXEbIlHpxLdS+8uVbasAUk15nj23zKQ5846mIrMNxZb6dzuvfxjNidQz2HgpFgseLonWn0JWQd6+5Bw==
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

2026-09-17T11:04:55.096956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048318
observed d91e8a39cb4cf2571e81749aa1e6a908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.076607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048318/manifest.json
observed ed5ea22d4c8b9ef9fa16c671a9463adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.056426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048318/publication.md
observed f83a2102aa91253efcbd06867b4088ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.038388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048318/publication.txt
observed d7aae281c5105c3aa02d7c42745b4f14...
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.