OpenTechnical

OT-2026-000046739

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000046739) never changes.

Identity and time

Publication numberOT-2026-000046739 · never reused
Internal UUID01a0ae7e-d0f3-7103-a374-b0cc2fa739d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046739
StatusPUBLIC

Content hashes

Canonical text1cfdef02520f650f4941f7b2412787e34b584a8f3f86ff9408fa6cca23009c21
Markdowna6706085e16c872a218696bea2d5e02f85cfea082a478c8154ba3cf9f9ec199d
PDF
Publication pagea5fe3fe65349ff78dcaac31658e117a9bc90f0c4f0457561d9dde0b8fa17dd17
Manifest645122d60cfdbd928fcd9d61e163021284c199aabee97f0dc9d3667d4188672f

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
SignatureRnFMxGmVVOeW4Iqvk1RAZAMClze/DqFZXNtpXgDxz+cYjcNN1uBfBPkbtOXTX5xMt5d9jyEviNs7X8FaBV5wBA==
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

2026-09-17T11:06:48.083005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046739
observed a5fe3fe65349ff78dcaac31658e117a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.066406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046739/manifest.json
observed 645122d60cfdbd928fcd9d61e1630212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.049133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046739/publication.md
observed a6706085e16c872a218696bea2d5e02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:48.031036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046739/publication.txt
observed 1cfdef02520f650f4941f7b2412787e3...
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.