OpenTechnical

OT-2026-000087331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000087331) never changes.

Identity and time

Publication numberOT-2026-000087331 · never reused
Internal UUID01a0ae9a-cd4e-7255-8dc3-9649a202e783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087331
StatusPUBLIC

Content hashes

Canonical text090bce6c1da48cdb1bf021275aaa9bc2989a1e63889ddabc1496961986142f03
Markdown1693164d6ee8cdb7e0130b7334f45341a0488af61d6110630ab5b5153b57e199
PDF
Publication page310375e59fbf81f07742965d15895f2e552fc42bf345a34c00ca46a97146aa2d
Manifest4edda9001e039360d3f2430fed1bfed83fd6429b5343532ee2054333950cef91

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
SignaturexJGxD4s2j0e6oermohyi9FQh0bBmuvJGrsBs3SqCAg/1OGNL2YM3ZYFd7z2ODtsWytyjuzaYkyx38J8dQOLyCQ==
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

2026-09-17T09:50:29.965833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331
observed 310375e59fbf81f07742965d15895f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.964605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331
observed 310375e59fbf81f07742965d15895f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.947554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/manifest.json
observed 4edda9001e039360d3f2430fed1bfed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.947064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/manifest.json
observed 4edda9001e039360d3f2430fed1bfed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.929125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/publication.md
observed 1693164d6ee8cdb7e0130b7334f45341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.928136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/publication.md
observed 1693164d6ee8cdb7e0130b7334f45341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.911721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/publication.txt
observed 090bce6c1da48cdb1bf021275aaa9bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.910708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087331/publication.txt
observed 090bce6c1da48cdb1bf021275aaa9bc2...
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.