OpenTechnical

OT-2026-000023218

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000023218) never changes.

Identity and time

Publication numberOT-2026-000023218 · never reused
Internal UUID01a0ae70-7267-7816-b174-0a3fb132e1b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023218
StatusPUBLIC

Content hashes

Canonical text3023a87974de2800dc74c7369f15b230838c30fb64c7688bffa0095b00c86989
Markdown1ccc1b705726ea7c4d45e8b32845e7e7230c850200d57202647bb393f9c96eca
PDF
Publication page970fb208a9f900f67aeb1c9a8d011fde088e9a61a8d997ab20a60eac2abaad2e
Manifest1946ea9fcbb81125c8b9c502c48f9cee2cdeeffa8bb1f81b6960646dbb4e556d

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
Signaturez/zW7uYO3NaM9JnZx53RSDy1ZrhnJnF58mFUeM+nEpurtKXDnp8h9l9Yo1jCfSIi/iH2fxvwOiT1PXTe2HcqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:16.393927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023218
observed 970fb208a9f900f67aeb1c9a8d011fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.376524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023218/manifest.json
observed 1946ea9fcbb81125c8b9c502c48f9cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.351480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023218/publication.md
observed 1ccc1b705726ea7c4d45e8b32845e7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.331174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023218/publication.txt
observed 3023a87974de2800dc74c7369f15b230...
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.