OpenTechnical

OT-2026-000103478

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off 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-2026-000103478) never changes.

Identity and time

Publication numberOT-2026-000103478 · never reused
Internal UUID01a0aea4-e460-76aa-9871-47a47f0e7618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103478
StatusPUBLIC

Content hashes

Canonical text23a2418041586d539461538a1112e9cc3fde09083e160bc504d7a972197bbe47
Markdown03e558a0117ac2aa58ba8462dc4cbfed9c66830b955f39882280562589d133be
PDF
Publication page5a051235138f8664ca7e0b3421707cdbb9818c9820d034cf2ab4f60e6ca5fc84
Manifest61e617c8efafeecbedb31e5ed2a2e5fc38eec4532edfc93e58fc98a4db97fa35

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
SignatureXlOPByz3zIvHWH/oagpkRgqX3FItHUNbXWM+S/ZvdpyUdSK76oT/zXq01unLydSxX4WYMe0fu9fZ9Cdz8T6uAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:14.379162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103478
observed 5a051235138f8664ca7e0b3421707cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.360415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103478/manifest.json
observed 61e617c8efafeecbedb31e5ed2a2e5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.341000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103478/publication.md
observed 03e558a0117ac2aa58ba8462dc4cbfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.323796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103478/publication.txt
observed 23a2418041586d539461538a1112e9cc...
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.