OpenTechnical

OT-2026-000074755

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000074755) never changes.

Identity and time

Publication numberOT-2026-000074755 · never reused
Internal UUID01a0ae93-ac2b-7ee1-9d52-6506f815fb55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074755
StatusPUBLIC

Content hashes

Canonical text64fcc716502f9df4bed4767479200267b4ee87240563d08b33727a3e79d04e45
Markdownd1f9a9f366c9743391033e06a8ea33416e731054c94083ca0d8ea17256784bc9
PDF
Publication pagea0c562486c3cd7a295e992830d502f9bd72f1665eadabac9fe946d75d79594a2
Manifest641508e16cbb131055e9d8f2373aaf18b1057dba497cb19d061b887ac7773dde

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
SignatureufyZ2HOh1d3YLnOZGSXfuRhb7mvzeUE5w85vTN88Yp42V+M16/KR0ZpmQvbrA9vAMWGFhybSrPDIaJUNAevBDA==
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

2026-09-17T10:18:26.630537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074755
observed a0c562486c3cd7a295e992830d502f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.611245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074755/manifest.json
observed 641508e16cbb131055e9d8f2373aaf18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.592385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074755/publication.md
observed d1f9a9f366c9743391033e06a8ea3341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.572676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074755/publication.txt
observed 64fcc716502f9df4bed4767479200267...
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.