OpenTechnical

OT-2026-000090586

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090586) never changes.

Identity and time

Publication numberOT-2026-000090586 · never reused
Internal UUID01a0ae9c-7f2f-7b36-a064-af3eb8748a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090586
StatusPUBLIC

Content hashes

Canonical text03f2c64421017d80223b53fac0773e7538290b6a4703a063170916e28b5234f2
Markdownba4a2cf9ae36d6a37609069c00023ecc6b85ce035c4d62dc858823a5d895c84d
PDF
Publication pageef93e12e4833f7a5e7307a0016880d2e00c13794a0455761895af6e3061572c0
Manifest859abd8b44b887437c5f16edaa5a66bb78638f2382ab42da45306faa0e6c2622

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
SignatureTcKaSkILfa1fmrXjg5NWj2uUsD3euEaP+h29vEv/VzqPThvS4ClaIxsolX2ppG6bh2caW6uM6fLxgumAwJ9rAw==
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

2026-09-17T09:44:46.098108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090586
observed ef93e12e4833f7a5e7307a0016880d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.061961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090586/manifest.json
observed 859abd8b44b887437c5f16edaa5a66bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.044535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090586/publication.md
observed ba4a2cf9ae36d6a37609069c00023ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.008084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090586/publication.txt
observed 03f2c64421017d80223b53fac0773e75...
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.