OpenTechnical

OT-2026-000023636

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000023636) never changes.

Identity and time

Publication numberOT-2026-000023636 · never reused
Internal UUID01a0ae70-aed3-7b72-adad-ac38a40e3d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023636
StatusPUBLIC

Content hashes

Canonical texta37e65a62696f570bb9e146c71ecc2f7b31d643eb4da40420972a9fd6e4e8d3d
Markdown973a2954a7dc4b290117e7093d9bbf356c0be3de22637b57554247eb355b4426
PDF
Publication pagee44136cc7a20e2de473aad99a2d29a97cf2095d88321dc5ca88eea360af4f167
Manifestc5c07369569ed6bbd8447a788327f664fe1f03a16944aad533ac4bcee3b4f905

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
SignatureIDEgICimXfpzvi/xN7T5fF0E2gLzuR6zxvbc4TdBiLoyOF5/C8Sfmm5rL2kikaEUhUoeJ5snxQoJwpwjrtmHCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:49:50.733912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023636
observed e44136cc7a20e2de473aad99a2d29a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.718619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023636/manifest.json
observed c5c07369569ed6bbd8447a788327f664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.702850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023636/publication.md
observed 973a2954a7dc4b290117e7093d9bbf35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.686627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023636/publication.txt
observed a37e65a62696f570bb9e146c71ecc2f7...
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.