OpenTechnical

OT-2026-000088959

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088959) never changes.

Identity and time

Publication numberOT-2026-000088959 · never reused
Internal UUID01a0ae9b-8f11-7e1d-b6ba-9b7f7c20a0b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088959
StatusPUBLIC

Content hashes

Canonical text15771a5d991ad6e0c722e115b67253a59a483791fa359c514b52e750c2b399a7
Markdown2fc94eb04bb4fe2188f23f09645f40771ed392dcf9dd348b97e74629a2b19d25
PDF
Publication pagef7dc7dd15cd042ec8ec9b2c6058cc99e49e9f60f8a7d42555699829598317332
Manifestda5616988201020cada8d9fdaeeea519cae4136e852decc54c868cc455c41d2e

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
SignaturepXeGdoQGGDVG2eaD81mI2pB9y5m72GfdZ/xxkvkC/5nN7yFAmzW1yL9UcOivSzNhBIXetm5+HpZa2XFAdXqKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:22.325286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088959
observed f7dc7dd15cd042ec8ec9b2c6058cc99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.307371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088959/manifest.json
observed da5616988201020cada8d9fdaeeea519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.289494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088959/publication.md
observed 2fc94eb04bb4fe2188f23f09645f4077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.272423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088959/publication.txt
observed 15771a5d991ad6e0c722e115b67253a5...
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.