OpenTechnical

OT-2026-000058901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000058901) never changes.

Identity and time

Publication numberOT-2026-000058901 · never reused
Internal UUID01a0ae89-479f-77cf-b966-dc266dddd3e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058901
StatusPUBLIC

Content hashes

Canonical textcfa4213771012dd72a1b070c1ce044d2e684ae0052739ba2b0ba425808ab161c
Markdown1d3bebcc4c7d18c07c5c72048d0a4ce6fd237271730d0a484d929871b308502e
PDF
Publication page6db9df6ec703867c61f4e4e0ce62703055b536556979fecf9a0609e78271810d
Manifest0cae8f87adb03106a990b40453f38eb19ca4cf71c7554470a997b31ea33f12cf

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
Signature5G9/ap4pEm8MAxGw1A4cYwEUl+rZq/iifcpGdWkoXSHuXHBnyEghxaNj7nEe9siVC8Cp99qf44El9T5njqcGCg==
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

2026-09-17T10:46:27.079701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058901
observed 6db9df6ec703867c61f4e4e0ce627030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.062507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058901/manifest.json
observed 0cae8f87adb03106a990b40453f38eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.043737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058901/publication.md
observed 1d3bebcc4c7d18c07c5c72048d0a4ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.024900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058901/publication.txt
observed cfa4213771012dd72a1b070c1ce044d2...
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.