OpenTechnical

OT-2026-000057165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057165) never changes.

Identity and time

Publication numberOT-2026-000057165 · never reused
Internal UUID01a0ae87-d5ba-74ee-83af-42467ad8aefb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057165
StatusPUBLIC

Content hashes

Canonical text2bc1a3f2229498703d0c37b3f0dd93847cf025850263579fd50d6342a2de8eac
Markdown92d05da348986b8c4bc2c24bcb8c8c0d479224865cb249f5ad664618e5cb3296
PDF
Publication pageb9e683ee34ed51b78c80656ee849d41d33327b7b58c039aa6092650fd9006d80
Manifesta45dae5461b49540104f6994e90f65f9803c36c63543a1ff0fbbda851ce17edd

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
SignatureNR5VEl2ewMvo8QpnWVQLQ3pVU2fk3MR+hphrxgb+9ReI6mAUhaET78H0h4KZwhR23muFAApuZYD/227b3SG3BA==
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

2026-09-17T10:50:10.621985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165
observed b9e683ee34ed51b78c80656ee849d41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.600497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/manifest.json
observed a45dae5461b49540104f6994e90f65f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.581951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/publication.md
observed 92d05da348986b8c4bc2c24bcb8c8c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.562710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/publication.txt
observed 2bc1a3f2229498703d0c37b3f0dd9384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.906514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165
observed b9e683ee34ed51b78c80656ee849d41d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.887805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/manifest.json
observed a45dae5461b49540104f6994e90f65f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.872210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/publication.md
observed 92d05da348986b8c4bc2c24bcb8c8c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.853398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057165/publication.txt
observed 2bc1a3f2229498703d0c37b3f0dd9384...
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.