OpenTechnical

OT-2026-000033414

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000033414) never changes.

Identity and time

Publication numberOT-2026-000033414 · never reused
Internal UUID01a0ae75-8980-7ff4-8c4b-3893f98ed75e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033414
StatusPUBLIC

Content hashes

Canonical text5ae47d1f6e10fa54e103d1793406d1784047b3620f31f7b0673f685daffb2363
Markdown49c4a7c13841c457a72c341e363d9dd1fedc8e606c30aa68185b537d8ffde7a0
PDF
Publication pagedf779a5e677992e93440be626f320d6e60690e5f388f6eafc82559c2b2cf483c
Manifest21b1d384640055bde19533d894f8559ddfd0ce890998f1a64342e95f7d0891be

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
SignaturexAemtiJT3K21dgqnYt/6dMHp7xl7bZzEEvETgEtQvGndkhowulhsmpXHRtujTvV7fGoGcB8Q0quSUvR+gRqqCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:11.900351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033414
observed df779a5e677992e93440be626f320d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.881426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033414/manifest.json
observed 21b1d384640055bde19533d894f8559d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.858433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033414/publication.md
observed 49c4a7c13841c457a72c341e363d9dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:11.840904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033414/publication.txt
observed 5ae47d1f6e10fa54e103d1793406d178...
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.