OpenTechnical

OT-2026-000077951

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077951) never changes.

Identity and time

Publication numberOT-2026-000077951 · never reused
Internal UUID01a0ae95-2ed1-73c0-9b12-b3073b3225b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077951
StatusPUBLIC

Content hashes

Canonical texte337470287bcb418ae5a082351e52c610a0e9235934946740d0a800275cc34a7
Markdown45be8ce8ac609a67e9a1f151d54bdc0c07279adcd02ed7c94eb1a0e65c07fcb0
PDF
Publication page991b849d0d140b2f5205ad04bc0cb8d19757c411728db05114db321ad041f78d
Manifestefc5a6be3ad5f9ace7780d328c62439f38238cb080f3ab9a3407e45fe78d8e6c

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
SignaturehT2plCexW7eMAEGi1CM6lnaVXwLaP0Ql4l8aNnScgbJTfOEnWQ2Z9e1UBL5n0wCcssOf7JWrpxgQJ/0DqIvzDA==
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

2026-09-17T10:10:17.991093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951
observed 991b849d0d140b2f5205ad04bc0cb8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.972410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/manifest.json
observed efc5a6be3ad5f9ace7780d328c62439f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.953581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/publication.md
observed 45be8ce8ac609a67e9a1f151d54bdc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:17.810711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/publication.txt
observed e337470287bcb418ae5a082351e52c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.991206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951
observed 991b849d0d140b2f5205ad04bc0cb8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.972009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/manifest.json
observed efc5a6be3ad5f9ace7780d328c62439f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.952027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/publication.md
observed 45be8ce8ac609a67e9a1f151d54bdc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.934413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077951/publication.txt
observed e337470287bcb418ae5a082351e52c61...
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.