OpenTechnical

OT-2026-000089660

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000089660) never changes.

Identity and time

Publication numberOT-2026-000089660 · never reused
Internal UUID01a0ae9c-1a22-781f-82a1-a3e62a8bc595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089660
StatusPUBLIC

Content hashes

Canonical text4b58f7ca49a297bb75078e5a6da3d821383ae80e92b560975cd3c72480840520
Markdown4d83ad0a05b7d98eda1e63bcf07bfbb392bce47084c6a2cd2385a6072c39824e
PDF
Publication page0f8e5e2a761312fd5c850484867e102f7de3cbf2da30e0f81b0226a476c4cbb5
Manifest9ac3108f3a1992a9750bae2bf01e6d063a7c0a4349dcaea541adb2f634a2eba8

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
Signature+tRQt4HNtcO/yTAHTHi7LtFDIpteWglj7W5VKthAudpUn08KPPRRtQWyPj1OdhY43Ka7lMN+G1dblUBeG17ZDA==
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

2026-09-17T09:46:39.190538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089660
observed 0f8e5e2a761312fd5c850484867e102f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.173183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089660/manifest.json
observed 9ac3108f3a1992a9750bae2bf01e6d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.156087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089660/publication.md
observed 4d83ad0a05b7d98eda1e63bcf07bfbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.139644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089660/publication.txt
observed 4b58f7ca49a297bb75078e5a6da3d821...
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.