OpenTechnical

OT-2026-000079455

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, sustained 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-2026-000079455) never changes.

Identity and time

Publication numberOT-2026-000079455 · never reused
Internal UUID01a0ae96-0b91-7428-a373-f9b4762910cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079455
StatusPUBLIC

Content hashes

Canonical textf311e38bdb3b4d135c01b2f6a06a31e77411e33ff06160599a586d7d10ccddf7
Markdownbdfea1a764e4759d86631e5d1956a66b257fafa0aa53313051549873bd10d17e
PDF
Publication pagea315955a90da91a6069f36ff1761e66337f83d7c88c9f196a0035739f884f96d
Manifestdd3bbd556945221bae10fbad0def2c712d8b6d4f8ab48a377087b2638e6aa7d2

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
SignaturePSCrgU+Kpuuae+iVPPFU6lqsMEM7juriJxc+RQrjeDwu4ONdw/O1tgSl4QTt2EBP0rIFQuK96OIKMij72YfAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:44.354848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079455
observed a315955a90da91a6069f36ff1761e663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.337540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079455/manifest.json
observed dd3bbd556945221bae10fbad0def2c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.295615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079455/publication.md
observed bdfea1a764e4759d86631e5d1956a66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.258611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079455/publication.txt
observed f311e38bdb3b4d135c01b2f6a06a31e7...
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.