OpenTechnical

OT-2026-000061480

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000061480) never changes.

Identity and time

Publication numberOT-2026-000061480 · never reused
Internal UUID01a0ae8b-7b43-7c6b-9538-da7476e3a4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061480
StatusPUBLIC

Content hashes

Canonical text5a184e587b7839fbe51ee1bd7e402f78fb399fb5338ad5b2482632beb2347147
Markdownd3b9f241630b4724bd5ba70b62283b48b2ff4a63df063d40975d87b178bd6803
PDF
Publication page9efee61ff5b19372f053ca57e27f2e62b4f79ec074c13e9b2fd5139303da7559
Manifestf398b72216eab80b6f9cc9a62772f6449bf5c1c28839af4f55474d19a50a84c9

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
SignatureYfRxgkGtZuNQib6yPsjUmtNK2vJIaGBeuanrog0ntLPayWh96Y/As0h4fzfoVFUiyH65kJi42DTi//lRiAdrAg==
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

2026-09-17T10:41:22.140041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061480
observed 9efee61ff5b19372f053ca57e27f2e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.122695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061480/manifest.json
observed f398b72216eab80b6f9cc9a62772f644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.107315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061480/publication.md
observed d3b9f241630b4724bd5ba70b62283b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:22.090003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061480/publication.txt
observed 5a184e587b7839fbe51ee1bd7e402f78...
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.