OpenTechnical

OT-2026-000088650

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000088650) never changes.

Identity and time

Publication numberOT-2026-000088650 · never reused
Internal UUID01a0ae9b-8f0f-748f-ba41-b6397766e0cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088650
StatusPUBLIC

Content hashes

Canonical textf9873b519a0faa3c73393c39aa44063a6a9350ced2504869369cfcc89928e7c9
Markdowncc91fe6a38a1ede73a7fe7b73a4b86c9ebc431adbbf3e0ccfb59bc3f4168b72a
PDF
Publication pagee509215f502290f33499cb713d717b0d03400b0b328508d804bdfd4f882ec9ba
Manifest1ea8230c438c2f515a2966a59342423a870e60ac445bb9f032edb62c5ee3de1a

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
Signature6DiFz8pCvWaieTM1VSoqUkLlrJHzib1pi3E11+xXp8GaO/uXaDrBDDa3KT37YjGoFUKVnQJR+dy0ixHDNyV5DA==
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

2026-09-17T09:47:52.378942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088650
observed e509215f502290f33499cb713d717b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.361486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088650/manifest.json
observed 1ea8230c438c2f515a2966a59342423a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.343479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088650/publication.md
observed cc91fe6a38a1ede73a7fe7b73a4b86c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.325325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088650/publication.txt
observed f9873b519a0faa3c73393c39aa44063a...
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.