OpenTechnical

OT-2026-000088780

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000088780) never changes.

Identity and time

Publication numberOT-2026-000088780 · never reused
Internal UUID01a0ae9b-8f10-7510-8ccc-898fa379d704 · 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-2026-000088780
StatusPUBLIC

Content hashes

Canonical text0bea2dceb241d6df0a507c668b6964fca914bf88df33734a94dcb97bcadc489c
Markdownca40939ba8814f075b79a0acd48191f9c64a01052aabf2ae8567c7fce753313e
PDF
Publication page4c8f00061dbbea04854ad8d444874ff08145ebda4bc2a77a2e806f1e727f13d1
Manifest94e75de76fbf0d648cb11ae897d638ab486eba143eab6d2cae40dad20a14bae0

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
SignatureaFRE6bA82f9RsqeBlGCvX+5Yjql8GYBXS2d6Z2pAsZjz66J6Q5E1H6NzvK7AUBxpy+2UEs8XyS8aYemuRa9LDg==
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

2026-09-17T09:48:09.373832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088780
observed 4c8f00061dbbea04854ad8d444874ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.356969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088780/manifest.json
observed 94e75de76fbf0d648cb11ae897d638ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.337949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088780/publication.md
observed ca40939ba8814f075b79a0acd48191f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:09.317641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088780/publication.txt
observed 0bea2dceb241d6df0a507c668b6964fc...
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.