OpenTechnical

OT-2026-000061233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061233) never changes.

Identity and time

Publication numberOT-2026-000061233 · never reused
Internal UUID01a0ae8b-1382-7466-a568-a66d9c4d0674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061233
StatusPUBLIC

Content hashes

Canonical textceadf08c888f44bbe543b87b9a96ad5a03bcb1629a7ac1c38246e1777f9d5053
Markdownd8c59fe981d29af14ad498ff27f31928c380392d62a33f136494f146be1d6321
PDF
Publication page327c1ca606277e4248d735ff9113746541f6069cc157c98cd532171e0a3eead7
Manifest387a98a3fe3cc02c2e3005954f6bf75cc9871c54e763d5de69a355011774fb42

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
SignatureItE6q6n0FVupV+fxdO2fKr2uHhNkgLzk34S2QFrMJw61O3hPG5ZpSnY6LY/e+86MUaUHP+wOa1u2n70wnPx5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:38.581308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061233
observed 327c1ca606277e4248d735ff91137465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.562905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061233/manifest.json
observed 387a98a3fe3cc02c2e3005954f6bf75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.544654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061233/publication.md
observed d8c59fe981d29af14ad498ff27f31928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.528253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061233/publication.txt
observed ceadf08c888f44bbe543b87b9a96ad5a...
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.