OpenTechnical

OT-2026-000034976

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000034976) never changes.

Identity and time

Publication numberOT-2026-000034976 · never reused
Internal UUID01a0ae76-6a1b-7b4e-b399-f9ae6d785311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034976
StatusPUBLIC

Content hashes

Canonical textc09e8ef3e4194ab37760ed705dfb2ee91b614820f01348cb6130d235fe9806f4
Markdownf0e7d9869cac289bad51d0f6e198087fdc0e7cb026eeb9665723cadc7aefdd58
PDF
Publication pagecd36e4c9a93892e5be89f3f3109ee2074265099feb844fc674836576afe51466
Manifest51e63573de709179b629250ec9180ac2b77d4c12dba2ea925b6bc1496efe1ec9

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
SignatureTtwxevtEMoLYdfGwU7myHt1736JkPMGBISpct7Nm8eMJtNWvMVJDb6BUQOzC35N1Kl6dihDbM8DThirZaf45DA==
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

2026-09-17T11:27:54.426557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034976
observed cd36e4c9a93892e5be89f3f3109ee207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.409526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034976/manifest.json
observed 51e63573de709179b629250ec9180ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.393881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034976/publication.md
observed f0e7d9869cac289bad51d0f6e198087f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.376065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034976/publication.txt
observed c09e8ef3e4194ab37760ed705dfb2ee9...
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.