OpenTechnical

OT-2026-000054434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000054434) never changes.

Identity and time

Publication numberOT-2026-000054434 · never reused
Internal UUID01a0ae86-1282-7adf-8bea-3aa32f1a3811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054434
StatusPUBLIC

Content hashes

Canonical textc1c071fcd2ac795d1d6b2f29b7672880c867f7abaddb7f1befee66cb9598e0c9
Markdown506d9a0e0858ac02fd34ff792640341ba7b887666df8a13c4a75ce184ef2b4c3
PDF
Publication page1690199e56f0f70ff147dadfe837bbb3229d5a1cd64c4c8087da6b1b5d1657a6
Manifest851555b87f2704c4b2fa8147d52305128aedfc8676e6a7ac514eda011beed415

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
SignaturewiGm4Sa0UqZy6FaRz7PEZX+rzCVNxRAZ6HqwnvPoTfUUGRO++U5ZWkXSx7VT/fKS7ps3Wdirnj/xnl8pAB18Dg==
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

2026-09-17T10:53:25.064487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054434
observed 1690199e56f0f70ff147dadfe837bbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.047555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054434/manifest.json
observed 851555b87f2704c4b2fa8147d5230512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.028007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054434/publication.md
observed 506d9a0e0858ac02fd34ff792640341b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.008555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054434/publication.txt
observed c1c071fcd2ac795d1d6b2f29b7672880...
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.