OpenTechnical

OT-2026-000051978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000051978) never changes.

Identity and time

Publication numberOT-2026-000051978 · never reused
Internal UUID01a0ae83-e78e-7c27-8f6d-c8fca94d43cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051978
StatusPUBLIC

Content hashes

Canonical textac98cff868eff7104852a2852be8327fb0a83378d790258e4aff4e2d5370d4d5
Markdown1594f0e0fc030759c72fcb9999eebd121bb1ce83c7900ebc67e872ece139240c
PDF
Publication pagebe0da498b8f56d357015102387fb2ab923b950a9f04e5e2e07d527bb87958e0a
Manifestd19cff54196131281cd74206017a682608af025a7a1cf4b193a41bbbabb146d6

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/4XuF5sBBR6jZSYMpHSbw76GueCSnnEhn9ACU2omr1nwuBNMLTTgi/hR9ftluDpzc/zDoeBmdzjTqJYTD507AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:28.705751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051978
observed be0da498b8f56d357015102387fb2ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.688595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051978/manifest.json
observed d19cff54196131281cd74206017a6826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.670990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051978/publication.md
observed 1594f0e0fc030759c72fcb9999eebd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:28.651976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051978/publication.txt
observed ac98cff868eff7104852a2852be8327f...
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.