OpenTechnical

OT-2026-000102688

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000102688) never changes.

Identity and time

Publication numberOT-2026-000102688 · never reused
Internal UUID01a0aea4-858b-772f-a125-a14c07e15dc8 · 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-2026-000102688
StatusPUBLIC

Content hashes

Canonical text2c7e6c1b2e1c61dfa778c3fca6970c4fdc812439fa3c3dacbf9c50dca4049f38
Markdown2416486a6bdfd2518db348d7abc4b21c7536a6ab4ae8b2f07d3cd417c89bdc22
PDF
Publication paged17cd29d46598ba5269c9ff1c8b1976d387439712d00115babd29b050d72f0d5
Manifestbb31ba802d182366b33350cf10aeaa746b117795f137de0e1121d2a60872a713

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
SignatureAvh+EFqL7ZSslh8CPk3pl4i7t7ZM6S5DYRxqmsVypgIuCRGDeuiA5uS3rk5WpEi3TEy9Q647ollLog7vE3mVAQ==
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

2026-09-17T09:24:11.753513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102688
observed d17cd29d46598ba5269c9ff1c8b1976d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.736722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102688/manifest.json
observed bb31ba802d182366b33350cf10aeaa74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.711364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102688/publication.md
observed 2416486a6bdfd2518db348d7abc4b21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.692686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102688/publication.txt
observed 2c7e6c1b2e1c61dfa778c3fca6970c4f...
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.