OpenTechnical

OT-2026-000023558

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023558) never changes.

Identity and time

Publication numberOT-2026-000023558 · never reused
Internal UUID01a0ae70-7269-7cf5-af28-7a0c87fb3f5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023558
StatusPUBLIC

Content hashes

Canonical text73c20e977401bd0f84ff5d586cac9a5085a5dd4371745984ad84db654fe784f8
Markdown8a17a3406efec1533ce6826320b05cf9c610584f424a52034a1f0603423b6d1b
PDF
Publication page30775eb35f714afad2ead11562e5df4048190848eecddb038c5172e388fa32aa
Manifest034bfb8aee0db881d910da70d4f4515cf8ae9109478385ded8a273e688b34594

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
Signature472GTAXnzZ5/8pLM0GesakawWdziXDjMPj3SJyTtPF5RUyGssObR0/W+iWIG3sxnRlOVBubLKoKSCB+CiZMeCw==
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

2026-09-17T11:51:54.416777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023558
observed 30775eb35f714afad2ead11562e5df40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.397028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023558/manifest.json
observed 034bfb8aee0db881d910da70d4f4515c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.376424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023558/publication.md
observed 8a17a3406efec1533ce6826320b05cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.346649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023558/publication.txt
observed 73c20e977401bd0f84ff5d586cac9a50...
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.