OpenTechnical

OT-2026-000099671

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000099671) never changes.

Identity and time

Publication numberOT-2026-000099671 · never reused
Internal UUID01a0aea2-c976-7477-b804-f90405446f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099671
StatusPUBLIC

Content hashes

Canonical text5f0dbec13a8880b2ecb74eac43f602f7db5429fd478bc664d2bce7d94dc8871a
Markdown2ce57479ded6562bae6e402bca60a5670f2147669a021d38e0be8ed0975405cf
PDF
Publication page152fae35ef3f32dfb7054ae2b4a13ba862c7c5e046deeeb995a033396577b314
Manifest5afd95df67359b542005660f3473610de0d61ba6e892435606b724de3f1c4e19

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
SignatureoCMsJIJMORaiVgajiA8Vt9/gsBwMcon+qSzzDhDO4aZrhHNhDqcmEbG73uhE3ozAV4D+kXXRKjAKrvfaEsv8Cg==
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

2026-09-17T09:29:36.771167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099671
observed 152fae35ef3f32dfb7054ae2b4a13ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.754123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099671/manifest.json
observed 5afd95df67359b542005660f3473610d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.735779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099671/publication.md
observed 2ce57479ded6562bae6e402bca60a567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.717856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099671/publication.txt
observed 5f0dbec13a8880b2ecb74eac43f602f7...
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.