OpenTechnical

OT-2026-000099678

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099678) never changes.

Identity and time

Publication numberOT-2026-000099678 · never reused
Internal UUID01a0aea2-c976-7c61-9830-7b55e3b1eba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099678
StatusPUBLIC

Content hashes

Canonical text65b5ec3e3d35596e2977d4b586fb29af5d283819b5444df67f0d0ab7bd79837c
Markdown199356d6e03a04a7497773ca1e4fb8eb0c9e4ec934b044a9f6e0ea510b324a3c
PDF
Publication page501f577e40d688ff279782b9cfd0d17a741c9aa2c31dabf8ab926963aef083e2
Manifestd83a8431f19a6402b11c6ec64e569f2491e3b8489ea463bc8051c26209e4cee5

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
SignatureBxKZ2y14rocchXCLgqrmSUsww3dE6JxBTZ8xvhP/PA/qdnHVzvjlGpANLeQec0cVKolSnG6upADzkCwcBo1/CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:37.364151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099678
observed 501f577e40d688ff279782b9cfd0d17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.347026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099678/manifest.json
observed d83a8431f19a6402b11c6ec64e569f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.328995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099678/publication.md
observed 199356d6e03a04a7497773ca1e4fb8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.310876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099678/publication.txt
observed 65b5ec3e3d35596e2977d4b586fb29af...
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.