OpenTechnical

OT-2026-000053755

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000053755) never changes.

Identity and time

Publication numberOT-2026-000053755 · never reused
Internal UUID01a0ae85-735d-78b3-9ecb-cbfc6cb41040 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053755
StatusPUBLIC

Content hashes

Canonical texte77e5f42c40e42114b0eee641d36ba6536a2be40ab65128b1b996ebbaf7a4748
Markdown9d34e300d82bf91f55a1e3b1430a5d8a601973ef031b8cb3d69f42df1b394e99
PDF
Publication pagec15d6dc148cea4de7efa2626518116433af09540c80e173092ead251d694b3cd
Manifest53cd4d7784161319493a348142524a3832483ede6249b365c3df65a9bd8b71a2

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
SignaturemwjjR4wTF0oc7n6QuBn0N/cvTOLLsF5KmCGLT40FK2PvC3i9icHpEyhQNx9+VSL7OA1SFevvg7GexxOouU/gBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:23.306880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053755
observed c15d6dc148cea4de7efa262651811643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.289165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053755/manifest.json
observed 53cd4d7784161319493a348142524a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.270943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053755/publication.md
observed 9d34e300d82bf91f55a1e3b1430a5d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:23.254110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053755/publication.txt
observed e77e5f42c40e42114b0eee641d36ba65...
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.