OpenTechnical

OT-2026-000101175

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000101175) never changes.

Identity and time

Publication numberOT-2026-000101175 · never reused
Internal UUID01a0aea3-c378-7431-bdaf-ad4faac76b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101175
StatusPUBLIC

Content hashes

Canonical text74887f839e9c0c4aaea5223ee6b1916f5d9bfd85df17953725f7e85604cc686e
Markdownddb19c838422d5ddd3ad382871225fcdd23c99bd19a03ffd0cec58fb4eb9145c
PDF
Publication pagef519d991e4d590d038c97f2b3fbb972010982f7550ca0e6e2e5ecce38f525847
Manifestfcf074bd63a97057c570dfd3a6b29092df06b3947590ae13350275e1c1c47427

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
Signatureckt0ZJk+EiQh7oHCEVLOkxuufNPyvXnXmADhT90wGtxEJdKK8ALi1aT9IG+Iwejgr9AW1ShCClpzqZonOeTMBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:49.164487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101175
observed f519d991e4d590d038c97f2b3fbb9720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.145575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101175/manifest.json
observed fcf074bd63a97057c570dfd3a6b29092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.126896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101175/publication.md
observed ddb19c838422d5ddd3ad382871225fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.108615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101175/publication.txt
observed 74887f839e9c0c4aaea5223ee6b1916f...
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.