OpenTechnical

OT-2026-000040170

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040170) never changes.

Identity and time

Publication numberOT-2026-000040170 · never reused
Internal UUID01a0ae79-26ff-7ccb-a6c5-573ea38b24b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040170
StatusPUBLIC

Content hashes

Canonical text5a0da0fd023c75b0c31bd444ca1b8d10ea551721447fba2390212749d586257b
Markdown75f9ba7b3348d64f2afcb63f52dfc8dbd413839fd869c39c944822088fc8a7f3
PDF
Publication pagea15262bb7fa75a12b46038df2ba8d4a5d3c9fa02f5aa967d8f0ff5019ae4291d
Manifestfea214f2214e68de7b76fd404a371316846d50b452439b1614d1dc9cf29c8da5

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
SignatureWkwy4El6N8TRkeHIeYnBhZhbd84TXepc15S7q8y1klTKcVbotShg1gZmc/9MC2yDOiSwCgO0ZLcLPCk8gJqlBQ==
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

2026-09-17T11:19:02.881487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040170
observed a15262bb7fa75a12b46038df2ba8d4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.866607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040170/manifest.json
observed fea214f2214e68de7b76fd404a371316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.849691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040170/publication.md
observed 75f9ba7b3348d64f2afcb63f52dfc8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.833317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040170/publication.txt
observed 5a0da0fd023c75b0c31bd444ca1b8d10...
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.