OpenTechnical

OT-2026-000037581

Publication integrity record

Three cup vacuum gripper, three 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-2026-000037581) never changes.

Identity and time

Publication numberOT-2026-000037581 · never reused
Internal UUID01a0ae77-b8cf-721b-8b03-3f72b33d9ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037581
StatusPUBLIC

Content hashes

Canonical textacdd2f53c58bec30755c9a6c1b7002cd6dda93716d607248943ce52c5a6fb512
Markdowne3a47ed04b555dbf9b00eaec4db89481df3de4cfe9761a2cf9ca8ce27061c57b
PDF
Publication page0727009b169f0ccff3f8fd436388de8952c0ab8fda3f7911edb2ea08541fa824
Manifestd6740b24de9c5a4bf0b1314265bc96f29c904ad53864926c69e9609ae549bcc1

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
SignaturevctRjqlT0DlyU7YznX5gXMB91i96O8fXYH73arwCTbPA9i8/on8vE9eQlQFV15OW6yzqnYDVYN2SAI+NF4n1Dg==
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

2026-09-17T11:24:07.810774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037581
observed 0727009b169f0ccff3f8fd436388de89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.794650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037581/manifest.json
observed d6740b24de9c5a4bf0b1314265bc96f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.778260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037581/publication.md
observed e3a47ed04b555dbf9b00eaec4db89481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:07.760691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037581/publication.txt
observed acdd2f53c58bec30755c9a6c1b7002cd...
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.