OpenTechnical

OT-2026-000008980

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000008980) never changes.

Identity and time

Publication numberOT-2026-000008980 · never reused
Internal UUID01a0ae6b-31b8-772b-a432-99c3447b1480 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008980
StatusPUBLIC

Content hashes

Canonical text6519be6b12a4526575321d3af07faeebc3aadcc2a43d7995c5fcda2ef41707eb
Markdown7143061226485eb9b4bf1df3fa52ad93148394c28bce0eba2912b16d8a1f4890
PDF
Publication page52138ce5cdc0a78ed3c88aef6566488cd7f497101d8646cb25f613a6f3cd4a2f
Manifestb740621c1bfcc8aa499d6b46996a1740e5a9373ec96f3542f6e9c25e29de5b7d

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
SignatureL3rkoxLpxJfw96evJuW/RsXC7xgzfjVXzSBEaaw2WSn8v+RC3wI+hza7HQF2g6zStqecO9rHawfAJ/fgbu+6Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.189205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008980
observed 52138ce5cdc0a78ed3c88aef6566488c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.170288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008980/manifest.json
observed b740621c1bfcc8aa499d6b46996a1740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.151289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008980/publication.md
observed 7143061226485eb9b4bf1df3fa52ad93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.131683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008980/publication.txt
observed 6519be6b12a4526575321d3af07faeeb...
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.