OpenTechnical

OT-2026-000030753

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030753) never changes.

Identity and time

Publication numberOT-2026-000030753 · never reused
Internal UUID01a0ae74-3fb4-7ff7-bbf1-0d98a7cead98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030753
StatusPUBLIC

Content hashes

Canonical text995c01fb96f1facf78507e9285b4903737e3361646b4ebd4f4dfdb530cf2de52
Markdown6eb622b1106aad4916a28752950628668d4ca256fad9d2bf52da274c6486d2d3
PDF
Publication pagefa1dec4a02dab0692b3548c8a9f79b8812c5e7c3223da06420958823fd9d0ca3
Manifesta163d3c695cfc8409b40c4d15b1519985333d5fe0b328990af6016e3b6f1bdf2

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
Signature1RCoALPkYNfRl7sUHCFppi+Vv2YfCUWug1sknXEsvULBGdxNAczrx83Fcfrhy5pzUz/mSzHJ10zcYa6IGJp2CA==
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

2026-09-17T11:36:42.088563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030753
observed fa1dec4a02dab0692b3548c8a9f79b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.073413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030753/manifest.json
observed a163d3c695cfc8409b40c4d15b151998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.056488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030753/publication.md
observed 6eb622b1106aad4916a2875295062866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.037908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030753/publication.txt
observed 995c01fb96f1facf78507e9285b49037...
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.