OpenTechnical

OT-2026-000017658

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000017658) never changes.

Identity and time

Publication numberOT-2026-000017658 · never reused
Internal UUID01a0ae6e-96f9-7575-8466-32c103ca190b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017658
StatusPUBLIC

Content hashes

Canonical text3433879dd6dac6176b4324233a0ce4afd6dec7fae82ea2f15dcdb9d33e1ba4bf
Markdownce8a8fbbf684cbdc7b584368a9bcd4ae2710b0af97eb1d96e0ce5e039c541312
PDF
Publication paged6dbc427603018168caa0c35f9946637e1330e2ce0b0e3251cfe3a4c8064a302
Manifestd4add1351c89338e43002224aab51e597e43ed295f1430a38788894581ce1348

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
Signatureh+L4O5ka+QoiLiVJBAqWM2mDnxQ63tMUg8SiVW04RHpNFjn+/k24PcuC1lmR7NygQXF53ndwT+XUBns9PN3fAg==
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

2026-09-17T12:01:28.629329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017658
observed d6dbc427603018168caa0c35f9946637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.612227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017658/manifest.json
observed d4add1351c89338e43002224aab51e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.593778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017658/publication.md
observed ce8a8fbbf684cbdc7b584368a9bcd4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.576488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017658/publication.txt
observed 3433879dd6dac6176b4324233a0ce4af...
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.