OpenTechnical

OT-2026-000014207

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000014207) never changes.

Identity and time

Publication numberOT-2026-000014207 · never reused
Internal UUID01a0ae6d-b279-7776-9fcc-c0425461e302 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014207
StatusPUBLIC

Content hashes

Canonical text4b8efb3fc59aaa5f53b059cafcb212cc9e660cd2e41b69d18b760aa9c8b50f16
Markdownbfef5ef2b5ef9809d7ccfb1d7cf7f3fec7d364d387f4e98c3c8147f28ad09ab4
PDF
Publication page57f7223d3d8bcffe9e7656e3f209b157b0aebdb3459a4abcd35baa17a19c62e1
Manifest00ec1f526a35a8422d293edad87c31327eb91af2dd403cc8767f71d638d31533

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
Signature/S+GHFIVSHdrPve3amPPafnXYbnTStXyzjxCLbeV8x3+9uFSYFX503rZNMNVUp0z2CT/zT3a+URZ0NtSV9KqCA==
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

2026-09-17T12:07:18.729255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014207
observed 57f7223d3d8bcffe9e7656e3f209b157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.710650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014207/manifest.json
observed 00ec1f526a35a8422d293edad87c3132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.691214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014207/publication.md
observed bfef5ef2b5ef9809d7ccfb1d7cf7f3fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.673178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014207/publication.txt
observed 4b8efb3fc59aaa5f53b059cafcb212cc...
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.