OpenTechnical

OT-2026-000057504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000057504) never changes.

Identity and time

Publication numberOT-2026-000057504 · never reused
Internal UUID01a0ae88-2692-7d73-8140-114136fbbd75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057504
StatusPUBLIC

Content hashes

Canonical text75fad1c9a618aae54e040bbae794d03e7e14e08e3a54bf5a8d0b0e9a48df2b0a
Markdown203916b3443b885a214c313b5e247a69e9ef0ee401f27792b62216f531a7d4a7
PDF
Publication page99434e88813b70bdb037c714609f570eddb0988d18ee63d0e7b8d74d28802886
Manifestf96af031b5a548426ede76755c632eef101eb9f3f068f02b811b86c8c3c77aaf

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
Signature0uwOtc2wT4l9izo/lISsod8N0B2dMtb01k49aBLodF5dQc2fTI9FE0mtKB4fa0sNjM6cne3TVPmh2ElcoHBcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:01.963048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057504
observed 99434e88813b70bdb037c714609f570e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.942878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057504/manifest.json
observed f96af031b5a548426ede76755c632eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.925111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057504/publication.md
observed 203916b3443b885a214c313b5e247a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.907730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057504/publication.txt
observed 75fad1c9a618aae54e040bbae794d03e...
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.