OpenTechnical

OT-2026-000103308

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000103308) never changes.

Identity and time

Publication numberOT-2026-000103308 · never reused
Internal UUID01a0aea4-be3f-71ac-ba6e-a27cce75a770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103308
StatusPUBLIC

Content hashes

Canonical text58ffae26e97dbac780a343e4527c11a4d7d55c636cebc69dcf13abff35273ffe
Markdowna81e10768e61b11d8c32dcfebccaac24eb3d61c756d41a4a5fa56035ccdd3377
PDF
Publication page56274a22e4b06d5d99e45a0f1d4a2d9674e5cfd98e48284266ad1456a083524a
Manifestda13e067f8ab0acb932506875bef7f2abd07fc23bd1350a25e296d3ea6979ab6

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
Signatureb6s3R39xc/Z+slqqTJcAlkoySOsjDdj7zdduyK2uZXLGbtADOPRyTcRcNF3taQEkm95q6jW83s8ucv3pipqRBA==
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

2026-09-17T09:23:33.360677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103308
observed 56274a22e4b06d5d99e45a0f1d4a2d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.344171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103308/manifest.json
observed da13e067f8ab0acb932506875bef7f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.328311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103308/publication.md
observed a81e10768e61b11d8c32dcfebccaac24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.310995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103308/publication.txt
observed 58ffae26e97dbac780a343e4527c11a4...
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.