OpenTechnical

OT-2026-000060161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000060161) never changes.

Identity and time

Publication numberOT-2026-000060161 · never reused
Internal UUID01a0ae8a-5a71-763e-8af5-c03a423a4147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060161
StatusPUBLIC

Content hashes

Canonical textc2ceac2b66335f0d225b800e24f7ee6c0527d16fa1e91f04348fbb9cb113ccca
Markdowna19aa237edd4fe1c0e2e59f6fc0f753ccffd546b6292fff58e20ba0b8b57cec4
PDF
Publication page8c28a38bcd60b9cea5929d7f53219bc74219658355228344e702cf1920d2cbfe
Manifest144ecb9129227bfad458621dde3c170aed81916c9a658b6faf0cd2c72cffd57e

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
Signaturehm62cOC6y23VvmXJ2hmI40hA6Ng+n4NNEqUL0fWWva9CFwIMJWOS21NT8bswVG2imGl8scq8B3DKF2h9a474Aw==
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

2026-09-17T10:43:49.344747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060161
observed 8c28a38bcd60b9cea5929d7f53219bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.326890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060161/manifest.json
observed 144ecb9129227bfad458621dde3c170a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.309245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060161/publication.md
observed a19aa237edd4fe1c0e2e59f6fc0f753c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.291560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060161/publication.txt
observed c2ceac2b66335f0d225b800e24f7ee6c...
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.