OpenTechnical

OT-2026-000085600

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000085600) never changes.

Identity and time

Publication numberOT-2026-000085600 · never reused
Internal UUID01a0ae99-aaac-756b-b5cd-0054bec760b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085600
StatusPUBLIC

Content hashes

Canonical texte1a737e8c6ecff23b0309a0d80a6e93746f3760bd176dae5a042f2b94ff1debd
Markdowne937b78f625f7e00900607a404fee33b88699d3fef47d1cef5166e88438f9fc3
PDF
Publication page8987bd1da78f17743c5f1654a2e17d6a790c6ed0e458935d08ee2975d8d2c9be
Manifestc07209f53ad681624023a01597bcbda8e51dcdc57194b9a5e8e63654dd9e0371

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
SignatureDa+DSB6WWj+xdWfVtijcaFRDe1icIa4Sm069GsKhOCSXdmk26eYLiNLL1AyjhkoPIYXWKXbhkvBy8lKkQIcQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-18T00:43:49.755269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600
observed 8987bd1da78f17743c5f1654a2e17d6a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:49.443656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/manifest.json
observed c07209f53ad681624023a01597bcbda8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:49.279234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/publication.md
observed e937b78f625f7e00900607a404fee33b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:49.121043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/publication.txt
observed e1a737e8c6ecff23b0309a0d80a6e937...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.624816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600
observed 8987bd1da78f17743c5f1654a2e17d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.607160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/manifest.json
observed c07209f53ad681624023a01597bcbda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.589278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/publication.md
observed e937b78f625f7e00900607a404fee33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.572832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085600/publication.txt
observed e1a737e8c6ecff23b0309a0d80a6e937...
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.