OpenTechnical

OT-2026-000090661

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090661) never changes.

Identity and time

Publication numberOT-2026-000090661 · never reused
Internal UUID01a0ae9c-7f30-7008-aece-b7b5217dbe13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090661
StatusPUBLIC

Content hashes

Canonical text4592d4f33b26d00555415ac9d8298d9009c1b30d7fee48c3a6a9bcef143b3f2f
Markdown2b74db3baa7382cc10577cd79166b2d3de4d2e56e4f5f5f77e3b2a1c6d597d9c
PDF
Publication page5eb65663d7979350862796052a0c299b4964620bb76a1043b0f545d76082eee7
Manifest733ce3e26ce125e206c06e8a5f7dd6c77253e853df1bf034b507dab9df48f860

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
SignatureGDTGTiPOQUCZ+xPrBOwADFIGoDueB336qFSvv68uYqDNqhm1advFXAbspfMLqpkS3UAATlX4FESR3gvdstQwAw==
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

2026-09-17T09:44:51.234681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090661
observed 5eb65663d7979350862796052a0c299b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.199300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090661/manifest.json
observed 733ce3e26ce125e206c06e8a5f7dd6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.180505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090661/publication.md
observed 2b74db3baa7382cc10577cd79166b2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:51.149459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090661/publication.txt
observed 4592d4f33b26d00555415ac9d8298d90...
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.