OpenTechnical

OT-2026-000082734

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000082734) never changes.

Identity and time

Publication numberOT-2026-000082734 · never reused
Internal UUID01a0ae97-8cc9-7967-b38f-fcb90fad36c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082734
StatusPUBLIC

Content hashes

Canonical text35fac09bb9a266fb92bf96a3a3ab82b5ab09fdbca07d67b32984db0d19bd4126
Markdownefd7b2bd63798214833d75e7044122dfa1203a266f6019d42162bf2ab97f5227
PDF
Publication pagee2a0e0ee6ac020a1a4b4297906229a61c11b68317c41af9d6aff1be79faa8752
Manifestb38e8b333d4632c568b538812aff4658687caa8f487149d07b3f458b4d394b49

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
Signature0X3TcsXTa6FMkOtEm5GcPEPRMTK17T2uogCdTNCFOy5V1LjQpJAlH8di7t8qXUWM3yKJLOVMrwPgWVlVsnY2DQ==
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

2026-09-17T09:58:18.849477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082734
observed e2a0e0ee6ac020a1a4b4297906229a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.832684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082734/manifest.json
observed b38e8b333d4632c568b538812aff4658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.815933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082734/publication.md
observed efd7b2bd63798214833d75e7044122df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:18.799597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082734/publication.txt
observed 35fac09bb9a266fb92bf96a3a3ab82b5...
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.