OpenTechnical

OT-2026-000023480

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000023480) never changes.

Identity and time

Publication numberOT-2026-000023480 · never reused
Internal UUID01a0ae70-7269-7c19-95c7-5efd45abaa11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023480
StatusPUBLIC

Content hashes

Canonical textf1c387b433a5eeec38b548bc84b1508533f1b5ebc8b211995522b78ca2944330
Markdownc9c9cda19b26b8a5e19b0143ea0437324dcf40af50e222afbf0e0aafaf7c1ec2
PDF
Publication page6a124af5ddf169ca83d29287c72b1c958f31fc64508bd8be740cce4fd32d72c8
Manifestc27885e26cc003a6ed4b01561af2868a78588ccadcff59ed095d2ab01ac14f53

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
Signaturef1v8ss4ivNl2h56gBqBsUP8hO/6I5Nk1/LHM5VijFLZD5tSDabPTzF1/CbZVvbjtrjCAx2t3EjQmtxLEnn4pBg==
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

2026-09-17T11:51:42.327103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023480
observed 6a124af5ddf169ca83d29287c72b1c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.307961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023480/manifest.json
observed c27885e26cc003a6ed4b01561af2868a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.289885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023480/publication.md
observed c9c9cda19b26b8a5e19b0143ea043732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.272235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023480/publication.txt
observed f1c387b433a5eeec38b548bc84b15085...
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.