OpenTechnical

OT-2026-000010234

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, vented 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-2026-000010234) never changes.

Identity and time

Publication numberOT-2026-000010234 · never reused
Internal UUID01a0ae6b-cb7b-7d57-a543-f87919252ef7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010234
StatusPUBLIC

Content hashes

Canonical text31dc5da681ab542ad2a27e7fbeb8129fd489a247f76eedd1745a9fc8669e5b93
Markdown1752943fa40b33f56f0755033e3d15b7ba61107e7ace8504e9aa005e9a03049f
PDF
Publication page7cb15af2ff972d499ade02967ee896b69bef078d5e0ae1fa8dc8b16b6a738b96
Manifest38d291df153567ba2bda02c37acf4014ad78ba80d594a02a8e71b6d7aa3b8829

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
SignatureHZQ6RJL3YSMjBd/pmzf5AAC7KD2U2axLwkJsP1/CEvRXz+KTa8z2fvmNBytF4GnOvAi6PEj97sjMBd/M5oAfAw==
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

2026-09-17T12:16:21.942595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010234
observed 7cb15af2ff972d499ade02967ee896b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.922705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010234/manifest.json
observed 38d291df153567ba2bda02c37acf4014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.903835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010234/publication.md
observed 1752943fa40b33f56f0755033e3d15b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.885509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010234/publication.txt
observed 31dc5da681ab542ad2a27e7fbeb8129f...
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.