OpenTechnical

OT-2026-000055699

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000055699) never changes.

Identity and time

Publication numberOT-2026-000055699 · never reused
Internal UUID01a0ae87-09ca-7407-b6d0-c890e97acf98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055699
StatusPUBLIC

Content hashes

Canonical textd490e6489869dbada01987aa0e29e7c95ed6e49fab1a956211b6c3ed063ca09f
Markdown211f65bf6bfdd176400f9f33b6592b0d2897e2da1adcb190700a0b4827beac90
PDF
Publication page10d0510cf38268655f11f072f65ea5a9cf300aeb014b3407fe0950069ac6c436
Manifest491d2fa1a43fdf8fbd568d11cc660567c000af24c26a4d8a3b539aad5f47f83f

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
Signaturee+8FQLGEDthPPcizTySr3O5AC0iE3Quh+My6t2dzLFdqwzc+CKpDeN8rz630ysdBfq5T5OFr99eG8ApimIwgCw==
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

2026-09-17T10:51:01.540542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055699
observed 10d0510cf38268655f11f072f65ea5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.522204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055699/manifest.json
observed 491d2fa1a43fdf8fbd568d11cc660567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.503487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055699/publication.md
observed 211f65bf6bfdd176400f9f33b6592b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:01.484956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055699/publication.txt
observed d490e6489869dbada01987aa0e29e7c9...
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.