OpenTechnical

OT-2026-000068255

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068255) never changes.

Identity and time

Publication numberOT-2026-000068255 · never reused
Internal UUID01a0ae90-247f-79f6-b909-e650e2150a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068255
StatusPUBLIC

Content hashes

Canonical text3c91f14a5f96b45ace1734b5e67e2eb1915c608377261ec1d22f59cbcecd02e5
Markdownabcd1cc0f8a099b1253b9f23bcf93f68d295476c16a1b12c106f04b65088f187
PDF
Publication page86a7f3aad4ae695f70261d9adf7d35bd6ca3e9d57ba1c47eaf2842ecf2808794
Manifest35725f6976e4dc76db0d823b6bffb11c3635526e5afbf662ee333c99da03cfd7

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
Signatureg92NZvm5TbRYIbmWc1X6nRSZL6E+Q2TZn76w4xpMcGuW1OdCsbv6YG4hHX60d4eO/kSZEWebmSPMkrSAUBuMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:16.696007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068255
observed 86a7f3aad4ae695f70261d9adf7d35bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.679440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068255/manifest.json
observed 35725f6976e4dc76db0d823b6bffb11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.663375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068255/publication.md
observed abcd1cc0f8a099b1253b9f23bcf93f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.645896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068255/publication.txt
observed 3c91f14a5f96b45ace1734b5e67e2eb1...
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.