OpenTechnical

OT-2026-000102455

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000102455) never changes.

Identity and time

Publication numberOT-2026-000102455 · never reused
Internal UUID01a0aea4-8589-78da-8c72-9ce5c21df8a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102455
StatusPUBLIC

Content hashes

Canonical texte38ec16d56baf9043203a7f34735007db8064552f058345a225f888f5ca168f5
Markdowna4ed077c13c65ffe5ac247ff41589d7330849cce747b166fef4f344066a9ca3f
PDF
Publication pageca6b535aae3c3e4375912a1cc478a08c9af75d3bd5902c063a671bf9b5959ce2
Manifestf6ac36e90f1a4bdc3e9918cbd9cfecace1d42728c5141d78ee7b0effa87a3f05

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
Signature+SL5mwCSyyRpKi2naQHgpv/gjkhAWc507a8n53QjpCCwWQNIFrZRaBXBU2SsnAA11KOgnp6sHEtDTWamxm7bAA==
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

2026-09-17T09:23:48.298360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102455
observed ca6b535aae3c3e4375912a1cc478a08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.280059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102455/manifest.json
observed f6ac36e90f1a4bdc3e9918cbd9cfecac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.261763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102455/publication.md
observed a4ed077c13c65ffe5ac247ff41589d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:48.241995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102455/publication.txt
observed e38ec16d56baf9043203a7f34735007d...
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.