OpenTechnical

OT-2026-000103593

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000103593) never changes.

Identity and time

Publication numberOT-2026-000103593 · never reused
Internal UUID01a0aea4-e461-74e7-ac7f-fe3e3bbdec7f · 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-2026-000103593
StatusPUBLIC

Content hashes

Canonical text4076e3d2dcaf9c8eaee1aa51ba4606df6a3f9489135c671e5195db255cfa0805
Markdownab3b564847a898a85e50eae19642d7c5ddd52b756fc9b91855dbe21374489cdb
PDF
Publication page47b59a6e3c1a62ce87a52f8fadabc62f7f26c6b74a70d1e49344444499fefc42
Manifest5a93213c17142e8abc191942c25119ae76253120e866d57e599178014ccb81d5

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
SignaturemwF/X2Rbg/YiGTFoFNsJwTv1WQCxz867/hxTpE74+qozUaIExFIRiFnXaZVsE1uA7e8wZKI8JLq1gz9pTOsQDg==
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

2026-09-17T09:22:22.876650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103593
observed 47b59a6e3c1a62ce87a52f8fadabc62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.856335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103593/manifest.json
observed 5a93213c17142e8abc191942c25119ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.818515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103593/publication.md
observed ab3b564847a898a85e50eae19642d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.780759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103593/publication.txt
observed 4076e3d2dcaf9c8eaee1aa51ba4606df...
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.