OpenTechnical

OT-2026-000101305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000101305) never changes.

Identity and time

Publication numberOT-2026-000101305 · never reused
Internal UUID01a0aea3-c379-74c9-8f4b-c944f95d41f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101305
StatusPUBLIC

Content hashes

Canonical text9db2967edc1b6776dad2262c2e0b3a5d01ec0905d9aaff644e634bfe10930d28
Markdownd7032878e13a13be66f4d9bfcdf3b5f7a03b80f83093fe1a920f83774e801c64
PDF
Publication pagec26b381b6b4284f90ccc8a78f0a968adff3ebf4a62241e388b23505762b527fd
Manifestea3d127e02d62bc6b2304bc6de4f598b34c846ed2d27e7385dc703f5eab2a471

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
SignatureifhMLz1OLpHl6F4duq6JaOHrhfGEQWtWQsyNtMsb5wzMu9p32qwwPPTcgqEvhy4pA6u2GRNUMGf8copk9XtiBw==
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

2026-09-17T09:26:59.442266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101305
observed c26b381b6b4284f90ccc8a78f0a968ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.425441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101305/manifest.json
observed ea3d127e02d62bc6b2304bc6de4f598b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.408785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101305/publication.md
observed d7032878e13a13be66f4d9bfcdf3b5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.392136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101305/publication.txt
observed 9db2967edc1b6776dad2262c2e0b3a5d...
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.