OpenTechnical

OT-2026-000102244

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000102244) never changes.

Identity and time

Publication numberOT-2026-000102244 · never reused
Internal UUID01a0aea4-50f3-7b25-9958-3093bb1cd7f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102244
StatusPUBLIC

Content hashes

Canonical text93a4e85f902babebdad98e39ab3534583afbc84dd08cde22df9cbc8402d959da
Markdownf9c9e7c6b3f3aa67bfd44fe65577919dd5d6be73604bf12f4de2b152c07806b6
PDF
Publication pagef8b65efc57e287b8d36290e7a98187dad8d6e8131f8afb21365d6fe3576acc93
Manifestbebefcf6fbb5695826d6fadd256e2fdafd1687aa2cdefa9efa8099230fb04d4d

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
SignatureKl4CYE1bzuqKYST1I/yvnLB4VtkpahlbcHCcNpIB/uwVLFKL4ViK28Clg7PvmCZ1F4KhWJvAO24//zhL5x/5Aw==
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

2026-09-17T09:25:25.560038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102244
observed f8b65efc57e287b8d36290e7a98187da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.543913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102244/manifest.json
observed bebefcf6fbb5695826d6fadd256e2fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.525627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102244/publication.md
observed f9c9e7c6b3f3aa67bfd44fe65577919d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.507719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102244/publication.txt
observed 93a4e85f902babebdad98e39ab353458...
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.