OpenTechnical

OT-2026-000052087

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000052087) never changes.

Identity and time

Publication numberOT-2026-000052087 · never reused
Internal UUID01a0ae83-e78f-739a-91b2-e7dc5948ff3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052087
StatusPUBLIC

Content hashes

Canonical textf14230dfcd0c639fec461146a69c2b2264a56b9a7790185b99118ec7342400c6
Markdown45b1613e4b082d122636cd047c985aa8628262892a598cea7b7fb4628c80d1ab
PDF
Publication pageb15ab3460bbefea408dc412d1839badfbfad699533ca9c1356d09dba47b89b3b
Manifest69b4a26b28edcc586d1c34c476f8659683758c22f77c913f071c7310bcd88a93

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
Signature8J7YL+Z8suE31FKRZUVBv1WvhYBpJL9LJiX06B7Kfeji/7cHNsQ3XwpOhZKxJnOfIRkaso5QC+gzxJyGb97TDQ==
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

2026-09-17T10:57:37.162454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052087
observed b15ab3460bbefea408dc412d1839badf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.141132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052087/manifest.json
observed 69b4a26b28edcc586d1c34c476f86596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.120154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052087/publication.md
observed 45b1613e4b082d122636cd047c985aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.100521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052087/publication.txt
observed f14230dfcd0c639fec461146a69c2b22...
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.