OpenTechnical

OT-2026-000032874

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032874) never changes.

Identity and time

Publication numberOT-2026-000032874 · never reused
Internal UUID01a0ae75-4842-71fa-93c7-9f8e1f53a493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032874
StatusPUBLIC

Content hashes

Canonical text262739f2f22cd7747ac52f5609b345738ccd07e0b5ec7f7f0e548aa6a62cfa6b
Markdown167f47af95b7e9b560657ef5d2236d71ec5858606e5844fa50bf67ea42dd06f5
PDF
Publication pagee5b4e430bbda3b25978340c786d3d18dbeb4bf967d7f1d4b0543d88801def44a
Manifestf630aaeed616695bd33d4dfcc159971535a226ec4817d6a4f9563eeea3208c8f

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
SignatureQc+p0J76jYUa2FNofhNu32nx5OKU8zr/0sw0uIeYZZAa/fT/79/bEfcQPS+xcxdHMVmNRjzKf8BwQ9zJjVesDQ==
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

2026-09-17T20:43:32.364172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874
observed e5b4e430bbda3b25978340c786d3d18d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:32.026322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/manifest.json
observed f630aaeed616695bd33d4dfcc1599715...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:31.871336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/publication.md
observed 167f47af95b7e9b560657ef5d2236d71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:31.699451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/publication.txt
observed 262739f2f22cd7747ac52f5609b34573...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.184129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874
observed e5b4e430bbda3b25978340c786d3d18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.164459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/manifest.json
observed f630aaeed616695bd33d4dfcc1599715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.141630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/publication.md
observed 167f47af95b7e9b560657ef5d2236d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.119614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032874/publication.txt
observed 262739f2f22cd7747ac52f5609b34573...
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.