OpenTechnical

OT-2026-000100753

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100753) never changes.

Identity and time

Publication numberOT-2026-000100753 · never reused
Internal UUID01a0aea3-66f4-7a9a-bbd4-ac2d1df28fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100753
StatusPUBLIC

Content hashes

Canonical text63ef892484a00f41f943af0ed023aed18ef50776c113b1215f08190d40e2a66b
Markdown4f2931e08220baca4674b1be78f930871e79c4557e81fed4646da4e5376d4b30
PDF
Publication page58eae8aa5874fa0935758c14ca0585e535e7c02efae64333c98bbe81ff35fab2
Manifestd57d9eac32c5d9c996e1788ece877c8a3e83588d1d7cd76e7b40b3cd7f186b2b

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
SignatureAeOC+iTcrg4XDfWLsoAAoqOHHeSbDttZl96HXVjadQ0MkJGplgXWrrcnhZgPDLa2M2e1h7m0I9zwKbQewaawAg==
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

2026-09-17T09:27:35.351776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100753
observed 58eae8aa5874fa0935758c14ca0585e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.333923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100753/manifest.json
observed d57d9eac32c5d9c996e1788ece877c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.317422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100753/publication.md
observed 4f2931e08220baca4674b1be78f93087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.300317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100753/publication.txt
observed 63ef892484a00f41f943af0ed023aed1...
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.