OpenTechnical

OT-2026-000052001

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052001) never changes.

Identity and time

Publication numberOT-2026-000052001 · never reused
Internal UUID01a0ae83-e78e-747c-844d-2996cb89aa7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052001
StatusPUBLIC

Content hashes

Canonical text1710b3bd80d4d8b4595959f08217a5a31406b8c3045d19634d2edd38b52d90dc
Markdown6474e4e33a6f06a27c9d50c95fa073d21ee80f416eb951d0b8c5254c833100d6
PDF
Publication pagedfbd46a94a5ac779d98a6d7ddf2016ca1f876b31d7a5a9f3294bcc7fc346fdc0
Manifest57d73c41d9cb33a2b02183735d5b496d7bd9e1de52efe1900eabcc5e82823b1f

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
Signaturea6foMc3krSJBMbYPrm0yTb/iXha3vF7QHF5BVKSfMzW6+/tLaBhfIGLO+el4/RuIMS5Vl45L3X2W/+g6jFP5Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:30.453347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052001
observed dfbd46a94a5ac779d98a6d7ddf2016ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.436301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052001/manifest.json
observed 57d73c41d9cb33a2b02183735d5b496d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.417121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052001/publication.md
observed 6474e4e33a6f06a27c9d50c95fa073d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.399454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052001/publication.txt
observed 1710b3bd80d4d8b4595959f08217a5a3...
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.