OpenTechnical

OT-2026-000055755

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000055755) never changes.

Identity and time

Publication numberOT-2026-000055755 · never reused
Internal UUID01a0ae87-09cb-725c-8313-180d1f61c697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055755
StatusPUBLIC

Content hashes

Canonical text69caedfb7f6f32246ae7f68a75c83ee8583276d6aa6ac183ad7139b1db8acc7b
Markdownb3946992bbeb00d6e5157d958735237c805da4c453dae56c869753007bd1d49e
PDF
Publication pageb94ccb7f819ce7e219291d6942f549cd76cea870fa9bddfcaff3972d306dadcf
Manifestb101a96b12dc8a04eda155d264539136596017758896db71e25427180ed49e18

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
SignatureFFyhUGC6k7yzhmcScZWzag0F70gmh6iW1uO0FhrwDRrsRgzNeYIaql/NetDqOsnF1QawPkun/2A/lq8eAFEzBQ==
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

2026-09-17T10:51:06.334085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055755
observed b94ccb7f819ce7e219291d6942f549cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.316324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055755/manifest.json
observed b101a96b12dc8a04eda155d264539136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.299684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055755/publication.md
observed b3946992bbeb00d6e5157d958735237c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.281048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055755/publication.txt
observed 69caedfb7f6f32246ae7f68a75c83ee8...
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.