OpenTechnical

OT-2026-000079835

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000079835) never changes.

Identity and time

Publication numberOT-2026-000079835 · never reused
Internal UUID01a0ae96-4376-7bff-a302-3bdcff7b660a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079835
StatusPUBLIC

Content hashes

Canonical text42a5002ff3da5c09e895b7d7cc1e65c081dedf14ef2d7a01a19d872116643ca4
Markdown71ffce72a4877ba375a42ad5a35879efa4b8a72fc31ea6a190f42e08e7c3138c
PDF
Publication page1dcaf1e76dac1b788dc824fa0d8ab04fb6b490fd773f4d3eb4f7cd5bd0c07e39
Manifestc1fdba0ea8bc4e2f8aa17219072b895c71822b071a6fd8969e76789faa3c8006

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
Signature8F++T4XwpP8ToZnvozmf98JZ+GLIx0nx4+sLYgMBYB00ToUmkvzpNbQdwgtp6jwnWJ4soh+mOGw/kT0K1uNiDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:43.165753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079835
observed 1dcaf1e76dac1b788dc824fa0d8ab04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.148074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079835/manifest.json
observed c1fdba0ea8bc4e2f8aa17219072b895c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.129305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079835/publication.md
observed 71ffce72a4877ba375a42ad5a35879ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.111218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079835/publication.txt
observed 42a5002ff3da5c09e895b7d7cc1e65c0...
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.